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GMTechBernard
GMTechBernard, Shop Foreman - GM World Class Tech
Category: Chevy
Satisfied Customers: 2158
Experience:  GM
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2004 GMC Envoy: I turn on the AC the car stalls

Customer Question

Put new battery in 2004 GMC Envoy, now when I turn on the AC the car stalls
Submitted: 8 years ago.
Category: Chevy
Expert:  GMTechBernard replied 8 years ago.
You will need to clean the throttle body out with some carb or air intake cleaner. Just remove the black plastic box going to the throttle body and hold the throttle open and spray all around inside. Wipe inside the throttle body with a rag and spray it again. Put it all back together and start it up (you may need to step on the gas to get it started as the cleaner may flood the engine). Once its running, take it on a few mile drive to burn off the cleaner and to allow the Engine Control Module to relearn the idle.