iac motor


Old 09-01-02, 07:47 AM
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iac motor

what is an iac motor and where is it found on a 1990 grand prix with a 3.1 litre engine?
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Old 09-01-02, 01:16 PM
Join Date: Jun 2001
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Not sure of it's location(Joe_F will probably tell you it later),but it's an idle air control motor or valve.It basically does what it's name implies,the computer uses it to maintain or control the cars idle.
Old 09-01-02, 04:25 PM
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It is located in the throttle body and does get stuck at times causing erratic idle. The throttle body should also be cleaned out at the same time.

Check the autolibrary link below for more info.

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