Question about 2004 GMC Envoy

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Sometimes at a traffic light or stop sign it cuts off and service engine light will flash.

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  • Freddy Sep 09, 2010

    After you restart the engine does the service engine light still flash or stay illuminated? Have you ever had the throttle body cleaned? A dirty throttle body will cause stalling at low RPM.

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Check you crank and cam sensors

Posted on Sep 09, 2010

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