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Re: 08 Chevy Express-high idle/surging
Posted to Technical Discussion Forum on 8/14/2020 7 Replies

Here is a screenshot from some scan data showing the load pid. [load pid]

I am closing the issue for now. A procedure given to me by a GM trainer mostly resolved the idling issue. After I performed this procedure it was 90% better, idling normally. The custo... Login to read more.

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