IAC setting Move now engine idle is fluctuating

Tiny
MTORRES227
  • MEMBER
  • 1997 CHEVROLET LUMINA
  • 3.1L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 115,000 MILES
Accidentally moved setting of IAC while cleaning it, idles low then high
Tuesday, February 22nd, 2022 AT 6:03 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 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
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Tuesday, February 22nd, 2022 AT 7:13 AM

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