99 Accord Has Me Stumped
#1
Guest
Posts: n/a
99 Accord Has Me Stumped
For almost a year I have been struggling with a recurring problem that
appears to be triggered by sustained driving on the highway. It has come up
three times now and I thought I had it fixed after the second episode so I
don't know what to try next.
It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
driving).
The problem is after the engine hits operating temperature, it cannot idle
at the bottom end -- when you slow down it just drops off to zero RPMs and
dies unless you feed it gas with the clutch down. It first happened during
an all-day drive last summer. I had just changed the oil, filter and air
filter for the trip. To try to fix it, I replaced the spark plugs and the
PCV, ran some injector cleaner through, and replaced the coolant and the
ignition coil. That seemed to help a little and the car stopped dying so
much but still ran uncertainly at low RPMs. Then I took another long drive
(this time a warm day in December) and the same problem came back. This
time I switched out the ignition wires, distributor cap and rotor. Lo and
behold the car seemed almost back to normal. I have driven it up to 50
miles at a time without incident. But this weekend my son drove over an hour
on the highway (warm abient temps, too) and sure enough, it started dying
again.
There are no trouble codes being activated. I'm looking for a good idea on
what to try next and this group is a great help. Thanks in advance for your
suggestions.
appears to be triggered by sustained driving on the highway. It has come up
three times now and I thought I had it fixed after the second episode so I
don't know what to try next.
It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
driving).
The problem is after the engine hits operating temperature, it cannot idle
at the bottom end -- when you slow down it just drops off to zero RPMs and
dies unless you feed it gas with the clutch down. It first happened during
an all-day drive last summer. I had just changed the oil, filter and air
filter for the trip. To try to fix it, I replaced the spark plugs and the
PCV, ran some injector cleaner through, and replaced the coolant and the
ignition coil. That seemed to help a little and the car stopped dying so
much but still ran uncertainly at low RPMs. Then I took another long drive
(this time a warm day in December) and the same problem came back. This
time I switched out the ignition wires, distributor cap and rotor. Lo and
behold the car seemed almost back to normal. I have driven it up to 50
miles at a time without incident. But this weekend my son drove over an hour
on the highway (warm abient temps, too) and sure enough, it started dying
again.
There are no trouble codes being activated. I'm looking for a good idea on
what to try next and this group is a great help. Thanks in advance for your
suggestions.
#2
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
I am no expert, but I suggest you look at ignition and fuel (filter, timing,
plugs, module). When was the last time you tuned it up?
"John Smith" <jsmith@yahoo.com> wrote in message
newseCbi.45$KN5.8@newsfe12.lga...
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come
> up three times now and I thought I had it fixed after the second episode
> so I don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened
> during an all-day drive last summer. I had just changed the oil, filter
> and air filter for the trip. To try to fix it, I replaced the spark plugs
> and the PCV, ran some injector cleaner through, and replaced the coolant
> and the ignition coil. That seemed to help a little and the car stopped
> dying so much but still ran uncertainly at low RPMs. Then I took another
> long drive (this time a warm day in December) and the same problem came
> back. This time I switched out the ignition wires, distributor cap and
> rotor. Lo and behold the car seemed almost back to normal. I have driven
> it up to 50 miles at a time without incident. But this weekend my son
> drove over an hour on the highway (warm abient temps, too) and sure
> enough, it started dying again.
>
> There are no trouble codes being activated. I'm looking for a good idea
> on what to try next and this group is a great help. Thanks in advance for
> your suggestions.
>
plugs, module). When was the last time you tuned it up?
"John Smith" <jsmith@yahoo.com> wrote in message
newseCbi.45$KN5.8@newsfe12.lga...
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come
> up three times now and I thought I had it fixed after the second episode
> so I don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened
> during an all-day drive last summer. I had just changed the oil, filter
> and air filter for the trip. To try to fix it, I replaced the spark plugs
> and the PCV, ran some injector cleaner through, and replaced the coolant
> and the ignition coil. That seemed to help a little and the car stopped
> dying so much but still ran uncertainly at low RPMs. Then I took another
> long drive (this time a warm day in December) and the same problem came
> back. This time I switched out the ignition wires, distributor cap and
> rotor. Lo and behold the car seemed almost back to normal. I have driven
> it up to 50 miles at a time without incident. But this weekend my son
> drove over an hour on the highway (warm abient temps, too) and sure
> enough, it started dying again.
>
> There are no trouble codes being activated. I'm looking for a good idea
> on what to try next and this group is a great help. Thanks in advance for
> your suggestions.
>
#3
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
I am no expert, but I suggest you look at ignition and fuel (filter, timing,
plugs, module). When was the last time you tuned it up?
"John Smith" <jsmith@yahoo.com> wrote in message
newseCbi.45$KN5.8@newsfe12.lga...
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come
> up three times now and I thought I had it fixed after the second episode
> so I don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened
> during an all-day drive last summer. I had just changed the oil, filter
> and air filter for the trip. To try to fix it, I replaced the spark plugs
> and the PCV, ran some injector cleaner through, and replaced the coolant
> and the ignition coil. That seemed to help a little and the car stopped
> dying so much but still ran uncertainly at low RPMs. Then I took another
> long drive (this time a warm day in December) and the same problem came
> back. This time I switched out the ignition wires, distributor cap and
> rotor. Lo and behold the car seemed almost back to normal. I have driven
> it up to 50 miles at a time without incident. But this weekend my son
> drove over an hour on the highway (warm abient temps, too) and sure
> enough, it started dying again.
>
> There are no trouble codes being activated. I'm looking for a good idea
> on what to try next and this group is a great help. Thanks in advance for
> your suggestions.
>
plugs, module). When was the last time you tuned it up?
"John Smith" <jsmith@yahoo.com> wrote in message
newseCbi.45$KN5.8@newsfe12.lga...
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come
> up three times now and I thought I had it fixed after the second episode
> so I don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened
> during an all-day drive last summer. I had just changed the oil, filter
> and air filter for the trip. To try to fix it, I replaced the spark plugs
> and the PCV, ran some injector cleaner through, and replaced the coolant
> and the ignition coil. That seemed to help a little and the car stopped
> dying so much but still ran uncertainly at low RPMs. Then I took another
> long drive (this time a warm day in December) and the same problem came
> back. This time I switched out the ignition wires, distributor cap and
> rotor. Lo and behold the car seemed almost back to normal. I have driven
> it up to 50 miles at a time without incident. But this weekend my son
> drove over an hour on the highway (warm abient temps, too) and sure
> enough, it started dying again.
>
> There are no trouble codes being activated. I'm looking for a good idea
> on what to try next and this group is a great help. Thanks in advance for
> your suggestions.
>
#4
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
John Smith wrote:
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
#5
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
John Smith wrote:
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
#6
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
John Smith wrote:
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
> For almost a year I have been struggling with a recurring problem that
> appears to be triggered by sustained driving on the highway. It has come up
> three times now and I thought I had it fixed after the second episode so I
> don't know what to try next.
>
> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
> driving).
>
> The problem is after the engine hits operating temperature, it cannot idle
> at the bottom end -- when you slow down it just drops off to zero RPMs and
> dies unless you feed it gas with the clutch down. It first happened during
> an all-day drive last summer. I had just changed the oil, filter and air
> filter for the trip. To try to fix it, I replaced the spark plugs and the
> PCV, ran some injector cleaner through, and replaced the coolant and the
> ignition coil. That seemed to help a little and the car stopped dying so
> much but still ran uncertainly at low RPMs. Then I took another long drive
> (this time a warm day in December) and the same problem came back. This
> time I switched out the ignition wires, distributor cap and rotor. Lo and
> behold the car seemed almost back to normal. I have driven it up to 50
> miles at a time without incident. But this weekend my son drove over an hour
> on the highway (warm abient temps, too) and sure enough, it started dying
> again.
>
> There are no trouble codes being activated. I'm looking for a good idea on
> what to try next and this group is a great help. Thanks in advance for your
> suggestions.
>
>
check for the great ignition switch recall. applies to your year.
[low revs cause vibration which can make the switch contact "noisy".
always return the key to the "run" position by hand, don't rely on the
string to return it fully. and make sure you have no other heavy
objects on the key ring.]
#7
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Jim, You're right. I had the recall service done at the time it was
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
#8
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Jim, You're right. I had the recall service done at the time it was
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
#9
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Jim, You're right. I had the recall service done at the time it was
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
announced. Thanks.
"jim beam" <spamvortex@bad.example.net> wrote in message
news:npudnUNUCMGCzPLbnZ2dnUVZ_gOdnZ2d@speakeasy.ne t...
>>
> check for the great ignition switch recall. applies to your year.
>
#10
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Thanks, Spam. The fact that it always waits to start dying until heating up
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
#11
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Thanks, Spam. The fact that it always waits to start dying until heating up
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
#12
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
Thanks, Spam. The fact that it always waits to start dying until heating up
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
suggests to me that something electronic is happening that causes the
computer instructions on where to set low idle get interrupted somehow. The
ignition, timing and idle all work perfectly fine while the car is warming
up. Also, they have been working fine on short trips for the last few
months. The problem only re-occured after a longer drive at high speeds.
"spam" <nimbusters@centralpets.com> wrote in message
news:466efabb$0$5238$4c368faf@roadrunner.com...
>I am no expert, but I suggest you look at ignition and fuel (filter,
>timing, plugs, module). When was the last time you tuned it up?
>
>
>
>
> "John Smith" <jsmith@yahoo.com> wrote in message
> newseCbi.45$KN5.8@newsfe12.lga...
>> For almost a year I have been struggling with a recurring problem that
>> appears to be triggered by sustained driving on the highway. It has come
>> up three times now and I thought I had it fixed after the second episode
>> so I don't know what to try next.
>>
>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of highway
>> driving).
>>
>> The problem is after the engine hits operating temperature, it cannot
>> idle at the bottom end -- when you slow down it just drops off to zero
>> RPMs and dies unless you feed it gas with the clutch down. It first
>> happened during an all-day drive last summer. I had just changed the
>> oil, filter and air filter for the trip. To try to fix it, I replaced
>> the spark plugs and the PCV, ran some injector cleaner through, and
>> replaced the coolant and the ignition coil. That seemed to help a little
>> and the car stopped dying so much but still ran uncertainly at low RPMs.
>> Then I took another long drive (this time a warm day in December) and the
>> same problem came back. This time I switched out the ignition wires,
>> distributor cap and rotor. Lo and behold the car seemed almost back to
>> normal. I have driven it up to 50 miles at a time without incident. But
>> this weekend my son drove over an hour on the highway (warm abient temps,
>> too) and sure enough, it started dying again.
>>
>> There are no trouble codes being activated. I'm looking for a good idea
>> on what to try next and this group is a great help. Thanks in advance
>> for your suggestions.
>>
>
>
#13
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
"John Smith" <jsmith@yahoo.com> wrote in
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net
#14
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
"John Smith" <jsmith@yahoo.com> wrote in
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net
#15
Guest
Posts: n/a
Re: 99 Accord Has Me Stumped
"John Smith" <jsmith@yahoo.com> wrote in
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net
news%Sbi.12$SX1.4@newsfe12.lga:
> Thanks, Spam. The fact that it always waits to start dying until
> heating up suggests to me that something electronic is happening that
> causes the computer instructions on where to set low idle get
> interrupted somehow. The ignition, timing and idle all work perfectly
> fine while the car is warming up. Also, they have been working fine on
> short trips for the last few months. The problem only re-occured
> after a longer drive at high speeds.
>
>
> "spam" <nimbusters@centralpets.com> wrote in message
> news:466efabb$0$5238$4c368faf@roadrunner.com...
>>I am no expert, but I suggest you look at ignition and fuel (filter,
>>timing, plugs, module). When was the last time you tuned it up?
>>
>>
>>
>>
>> "John Smith" <jsmith@yahoo.com> wrote in message
>> newseCbi.45$KN5.8@newsfe12.lga...
>>> For almost a year I have been struggling with a recurring problem
>>> that appears to be triggered by sustained driving on the highway.
>>> It has come up three times now and I thought I had it fixed after
>>> the second episode so I don't know what to try next.
>>>
>>> It's a 99 Accord LX 4 door 4 cyl 5-speed, 184,500 miles (lots of
>>> highway driving).
>>>
>>> The problem is after the engine hits operating temperature, it
>>> cannot idle at the bottom end -- when you slow down it just drops
>>> off to zero RPMs and dies unless you feed it gas with the clutch
>>> down. It first happened during an all-day drive last summer. I had
>>> just changed the oil, filter and air filter for the trip. To try to
>>> fix it, I replaced the spark plugs and the PCV, ran some injector
>>> cleaner through, and replaced the coolant and the ignition coil.
>>> That seemed to help a little and the car stopped dying so much but
>>> still ran uncertainly at low RPMs. Then I took another long drive
>>> (this time a warm day in December) and the same problem came back.
>>> This time I switched out the ignition wires, distributor cap and
>>> rotor. Lo and behold the car seemed almost back to normal. I have
>>> driven it up to 50 miles at a time without incident. But this
>>> weekend my son drove over an hour on the highway (warm abient temps,
>>> too) and sure enough, it started dying again.
>>>
>>> There are no trouble codes being activated. I'm looking for a good
>>> idea on what to try next and this group is a great help. Thanks in
>>> advance for your suggestions.
>>>
>>
>>
>
>
>
Maybe you should monitor the reference voltage going to the Throttle
Position Sensor(TPS)and the TPS output voltage.Perhaps the ref V is
dropping(it's source is the ECU),or the TPS output is changing (bad TPS)and
telling the ECU to lower the idle....to a point where it will not run
properly.
Take a "cold" reading on the reference V,then another when the engine
starts to stumble. You'll have to backpin the connector.
Or maybe the igniter (in the distributor)is the problem;perhaps altering
the firing of the coil once it warms up.
--
Jim Yanik
jyanik
at
kua.net