Rough idle at warm start up
#1
Rough idle at warm start up
I still have a rough idle in my 95 Z when I start it after it has warmed up. I took everyones advice and cleaned out the IAC and also reset it a few times and I still have this problem. I replaced the opti not long ago and it did this before the opti install and it's still doing this now even after the new opti was put in. When it's at or near operating temp and I start it, the idle seems to drop to about 500rpm and idle rough as hell for a few seconds. It seems to go away if I rev it up and after that it runs fine until I shut it off and start it again. It has never done this when the engine is cold. I read somewhere that this problem could possibly be the coil or coil wire since it said it only seems to do this when first started on a warm engine. Anyone else have this issue? Do bad coils cause this symptom?
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Gtpguy
General 1967-2002 F-Body Tech
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01-26-2015 04:50 PM