high idle

1993 BUICK LESABRE
204,500 MILES • 6 CYL • FWD • AUTOMATIC
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HAMMER2112
  • MEMBER
  • 1 POST
car runs at a very high idle at start up and doesnt idle down
Jan 4, 2011 at 12:29 PM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
This sounds like the IAC motor has sorted out and is not working here are guides to help you get the problem fixed.

https://www.2carpros.com/articles/engine-idles-too-high

and

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

Please run down these guides and report back

Cheers
Jan 4, 2011 at 12:35 PM
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HAMMER2112
  • MEMBER
  • 1 POST
Yep that did it, I swapped out the IAC I got from Amazon for $36.00 car has never run better :)
Jan 4, 2011 at 12:36 PM
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