2004 GMC Envoy

2004 GMC ENVOY
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CLINTONP
  • MEMBER
  • 1 POST
Engine Mechanical problem
2004 GMC Envoy V8 Four Wheel Drive Automatic

I CHANGED THE BATTERY IN MY CAR AND NOW WHEN I CUT THE HEATER OR AC ON THE CAR CUTS OFF
Oct 26, 2008 at 10:58 AM
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DENNYP
  • ✓Experienced Mechanic
  • 1,824 POSTS
First, clean the carbon from the throttle body with some throttle body cleaner and an old toothbrush. After that, set the parking brake. Start the engine and allow it to idle with A/C off for 5 min. Then, put the vehicle in drive and allow it to idle for 5 min.
Put the vehicle back in park. Allow it to idle 30sec. Shut it off for 1 min. Start it back up. That should take care of the problem.
Oct 26, 2008 at 11:55 AM
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