ENGINE IS HAVING A HARD TIME IDLING

1998 Chevrolet Lumina

Tiny

baggs1977

October, 21, 2011 AT 6:28 PM

I have a 98 3.1 chevy lumina, I just replaced the starter and battery, and iac, when I start engine it will not idle without me giving it gas, will not rev past 2500 rpm and runs very rough when I do, dont know what to check?

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1 Answer

Tiny

rasmataz

October, 26, 2011 AT 11:10 AM

Disconnecting the battery causes the computer to lose memories as programmed the computer has to relearn the target idle speed thru the IACV

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