Buick Problem Reports

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The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

The Engine Control Module (ECM) can fail causing stalling, and engine and transmission drivability concerns.

Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
Timing gears may wear causing a mild to severe knocking noise from the front of the engine. Replacement of the timing gears is necessary.
Our technicians highly recommend that the engine coolant be replaced every 30,000 miles.

The oxygen (O2) sensor may fail causing the engine to burn to much fuel and may cause the check engine (SES) light to illuminate.

The anti-lock brake (ABS) accumulator may fail causing loss of power brake assist. (The brake pedal will become very hard.)

The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.

The power window motors and switches are prone to failure.

The engine temperature sensor wire for the engine temperature gauge, or warning light, may touch the rear exhaust manifold causing a short to ground causing erratic operation of the temperature gauge or warning light.

The EGR tube may develop an engine vacuum leak causing the check engine (SES) light to illuminate.
Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.
Vehicles with the optional CRT dash may have the display fail. Our technicians tell us that the CRT unit will need to be sent out to a specialized repair facility for repair.
The ABS brake pressure modulator valve can fail internally causing the ABS light to illuminate.