Question about 2002 GMC Envoy
You recently disconnected or replaced the battery? If so, disconnect the battery again, clean your throttle body with throttle body cleaner, must be nice and shiny. When finished hook battery back up and drive around for 20 minutes or so with all accessories off. This will allow the computer to relearn a properly functioning throttle body. While unbolting the throttle body to clean it on both sides, is best, this method will also work for you and solve your problem. Can be done for the cost of a can of TB cleaner $5.
Posted on Mar 19, 2011
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Posted on Jan 02, 2017
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