IAC setting move now engine idle is fluctuating

1997 CHEVROLET LUMINA
115,000 MILES • 3.1L • 6 CYL • 2WD • AUTOMATIC
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MTORRES227
  • MEMBER
  • 3 POSTS
Accidentally moved setting of IAC while cleaning it, idles low then high
Feb 22, 2022 at 6:03 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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ASEMASTER6371
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good morning,

It is self-adjusting, and you cannot adjust it.

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

Also, there is no cleaning as the areas that stick you cannot access. The only repair is to replace it with a new one.

Roy
Feb 22, 2022 at 7:13 AM
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