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Re: 2003 Chevy Express, high idle complaint
Posted to Technical Discussion Forum on 7/6/2007 1 Reply

Hi Greg,

I think the first thing I would want to look at in data stream would be the IAC pid. Since the desired rpm and the actual rpm do not agree, I would want to see if the IAC counts were at "0". If it was, the PCM would logically be trying to correct fo... Login to read more.

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