Question about 2004 GMC Envoy
Related to a dirty throttle body. In order to clean it properly you must disconnect the battery and remove it. Not very difficult to do but it will make a big difference in the idle smoothness and fix the stalling. The PCM will reset after you disconnect the battery for 15-20 min and take a few drive cycles to re-learn everything
Posted on Aug 22, 2008
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Posted on Jan 02, 2017
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