2003 GMC Envoy 2003 GMC Envoy problems

2003 GMC ENVOY
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CHRISTINAL25
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Electrical problem
2003 GMC Envoy 111,00 miles

My 2003 GMC Envoy has been shutting off on me. If I come to a complete stop my brake pedal will stiffen and the car will shut off. I can stand on the brake pedal and it won't budge, I can also push the gas pedal to the floor and it won't rev the engine. If I shut the car off and turn it back on it's fine.
Jun 21, 2010 at 5:23 PM
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HMAC300
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first scan for codes, change fuel filter then clean the throttle plate on both sides with choke cleaner and tps switch. that may fix your problem.
Jun 24, 2010 at 7:34 PM