Idle air control valve?

2002 GMC SIERRA
185,000 MILES • V8 • 4WD • AUTOMATIC
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JIMF
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  • 1 POST
Just changed out my IAC valve. Do I require a computer reset or will it reset automatically?
Apr 15, 2009 at 7:29 PM
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ASEMASTER6371
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  • 52,796 POSTS
Good afternoon,

No, there is no relearn. The ECM will adapt to the engine's idle speed.

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

I attached the procedure below for you to view.

Roy
Sep 20, 2021 at 9:50 AM