Question about 2004 GMC Envoy
NO , gas cap not the issue here . the P2176 refers to throttle actuator control system - idle position not learned .... the test for this is a mile long , i would try clearing the code , and see if it returns , or it will reset itself if it see's 3 drive cycles without a failure . cheers.
Posted on Jan 09, 2009
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Posted on Jan 02, 2017
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