2004 Pontiac Bonneville Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Pontiac Bonneville

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2004 Pontiac Bonneville Problems

Erratic Fuel Gauge Operation

It is common for the fuel level sensor in the fuel tank read the fuel level incorrectly. The sensor must be replaced to correct the condition. Our technicians recommend having the complete fuel pump module replaced on high mileage vehicles.

Stalling Due to Failed Crankshaft Position Sensor

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

Engine Overheating Due to Water Pump Leak

The water pump may develop a coolant leak resulting in an engine overheating condition.


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