Just changed out my IAC valve. Do I require a computer reset or will it reset automatically?
Apr 15, 2009 at 7:29 PM
Idle air control valve?
2002 GMC SIERRA
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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
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
Images (Click to enlarge)
Sep 20, 2021 at 9:50 AM
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