2004 GMC Envoy Problem Reports

RepairPal Verified 2004 GMC Envoy Problem Reports

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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 variable valve timing camshaft actuators may stick due to dirty engine oil or a faulty control solenoid. A sticking actuator may cause a rough idle and the Check Engine Light to illuminate. Our technicians tell us the engine oil should be checked to make sure it is clean and at the proper level before replacing any parts to correct this concern.

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

The fuel level sensor in the fuel tank may fail causing erratic fuel gauge operation. Our technicians tell us that on high mileage vehicles you may wish to replace the complete fuel pump module assembly if this condition occurs.

On certain 2005 - 2007 vehicles, General Motors has provided a special service policy covering the fuel level sensor, agreeing to pay 50% of the repair cost. This coverage extends for 10 years or 120,000 miles from the original "in service" date of the vehicle. Please contact your local GM dealer for more information.

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

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

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.

Electrical power may be lost to the interior of the vehicle due to a blown 125 amp fuse located at the under hood fuse box. This fuse can blow if jumper cables are connected incorrectly. Replacing the blown fuse will commonly correct this problem.

One or more of the rear lights may be out due to a failed light socket plate. Our technicians tell us some 2002-2004 models were recalled for this issue. For more information on this recall, please click here»

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.

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

The power door locks may stop working in one or more doors due to a failed actuator. Replacement of the failed actuator should correct this concern.

The CD player in the radio may fail. Our technicians tell us that the radio will need to be removed and sent out to a radio repair shop to correct this condition.