Having problems with your 2003 GMC Envoy ?
2003 envoy slt service engine soon light is on steady and the rpm will not exceed 3500 rpm when the gas pedal is pressed to the floor while sitting in park. It has 90,000 miles on it. My wife claimed the vehicle would not go over 50 MPH when she drove it.
Its gone into limp mode.you need a service and the coeds cleared
Repair Help & Product Troubleshooting for 2003 GMC Envoy
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