HELP! idle is at 3k!

[dj888]

idle speed has always been a problem of mine. it pulsates like a heartbeat varying from .8-1k rpm.

however, just this morning, the moment you start the car, it idles at 3k! Help me! what are the things i should look into? thanks in advance!

[Cyruz]

Take off the ICV and give it a blast with some carb/brake cleaner. Make sure the vavle inside is moving freely.

This happened when I left my e30 off the road for a couple of months, it just froze up the vavle inside of the ICV.

[dj888]

thanks for the reply!

however, even if i disconnect the plug that connects to the icv the idle does not change. so, i suspect it has nothing to do with my icv.

[SPADGE]

thanks for the reply!

however, even if i disconnect the plug that connects to the icv the idle does not change. so, i suspect it has nothing to do with my icv.

If its jammed open then removing the plug isn't going to make any difference.

[320Touring]

idle speed has always been a problem of mine. it pulsates like a heartbeat varying from .8-1k rpm.

however, just this morning, the moment you start the car, it idles at 3k! Help me! what are the things i should look into? thanks in advance!

I would check that the throttle cable is returning to the correct stop when pedal is not pressed.

sounds like its sticking

[dj888]

idle speed has always been a problem of mine. it pulsates like a heartbeat varying from .8-1k rpm.

however, just this morning, the moment you start the car, it idles at 3k! Help me! what are the things i should look into? thanks in advance!

I would check that the throttle cable is returning to the correct stop when pedal is not pressed.

sounds like its sticking

checked that as well. no luck!

[dj888]

bump!

[Hath]

checked for perished vaccum pipes./ hoses i knwo this would give a somewhat arratic idle.. howeer cud be worth checking

[binxy69]

could hav an air leak behind the throttle, e.g. pipe connecting ICV to manifold.

[dj888]

yeah! but would a vacuum leak actalluy cause a car to idle at 3k? sounds really weird to me

[Martinaston]

Suspecting it has nothing to do with the ICV and confirming it has nothing to do with the ICV is the difference between fixing it and not fixing it.