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Why does 2004 gmc envoy stall when turning on the air conditioner?
Austin10
This is probably 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. I am about to do mine within the next few weeks as the winter gas always causes problems for me.
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∙ 16y ago
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