2003 GMC Envoy Problems

RepairPal has identified the most common problems with the 2003 GMC Envoy as reported by actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.

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Known Problems

The cooling fan clutch may fail causing excessive fan noise and/or the Check Engine Light to illuminate.

The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.

The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.

The engine may develop a misfire due to worn valve seats. This fault will cause the Check Engine Light to illuminate. Replacement of the cylinder head may be required to correct this concern.

The distributor may develop internal faults. This can cause a rough running engine or stalling condition, the Check Engine Light may or may not illuminate. Our technicians tell us that the distributor should be overhauled or replaced to correct this concern.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

On vehicles equipped with rear air springs, the air compressor may fail causing the rear suspension to sit low.

The electrical contacts in the ignition switch may fail and result in erratic instrument panel gauge operation or illumination of the Check Engine (SES) Light.

On vehicles with intermittent windshield wipers, the wiper motor circuit board may fail and cause the wipers to stop working at times. Replacing the circuit board should resolve the issue. Some vehicles were recalled for this problem and some were not. You will need to check with your local dealer to find out if a specific vehicle was included.