ENGINE IS HAVING A HARD TIME IDLING

  • Tiny
  • baggs1977
  • 1998 Chevrolet Lumina
  • 156,000 miles

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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Friday, October 21st, 2011 AT 6:28 PM

1 Reply

  • Tiny
  • rasmataz
  • Member

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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Wednesday, October 26th, 2011 AT 11:10 AM

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