What causes a high idle on a 2002 chevy malibu?

92,000 MILES
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JAMER
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  • 1 POST
After driving on the highway for an hour or so the cars rpm's stay at 2000+. When i try to bring the car to a stop it will not decelerate stays idling at 2000 rpm's have to turn it off in gear and restart to some times fix the problem.
Jan 15, 2012 at 11:34 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
Hello,

This sounds like you are having an issue with the IAC valve which I would replace here is a guide to help you with diagrams below to help you see what it will be like for your car.

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.

Cheers
Jan 16, 2012 at 12:37 AM
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KRISTEEINLV
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  • 1 POST
Thank you this worked perfect... I love this site.

Jan 16, 2012 at 12:40 AM
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