Question about 2003 GMC Envoy Xl
Sometimes when I start gmc envoy and let it run for a minute the idle speed drops and occasionally cuts off. If I'm at a light with my foot on the brake and the gmc in gear it does the same thing. From time to time the check engine light will come on. If I unhook the battery it's fine and the light goes away. It doesn't run any different when the light comes on it's just annoying to see the light. Please help.
You should check with a scanner to retrive the codes the PCM register,depending the code you can either send the vehicule to a mecanic or to a GM dealer for repair.Do not desconnect the battery anymore or you'll loose all the PCM codes and it will be difficult to find the exact problem.luck!
Posted on Nov 02, 2008
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Posted on Jan 02, 2017
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