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IROCdan330 · 09-14-2006, 06:45 PM

Mind you...the IAC is a PCM output, so the PCM can really only monitor electrical faults...it doesnt know if the IAC is actually doing what its commanded to do...so if the motor itself was having issues, a code wouldnt pop up and the mil light wouldnt be on.

your TPS could also have a dead spot on it...which would could cause hesitation and all kinds of goofy stuff...and not throw a code because the signal is still there, the pcm just thinks youre letting off and getting back on, etc.

09-14-2006, 06:45 PM	#17
IROCdan330 12 Second Club Join Date: Sep 2004 Location: Vineland Posts: 928 iTrader: (0)	Mind you...the IAC is a PCM output, so the PCM can really only monitor electrical faults...it doesnt know if the IAC is actually doing what its commanded to do...so if the motor itself was having issues, a code wouldnt pop up and the mil light wouldnt be on. your TPS could also have a dead spot on it...which would could cause hesitation and all kinds of goofy stuff...and not throw a code because the signal is still there, the pcm just thinks youre letting off and getting back on, etc. __________________ 87 iroc with the usual go fast stuff heavier than your half ton.