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2004 Buick LeSabre Problems

Erratic Fuel Gauge Operation

for the Buick LeSabre

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.

81 Reports

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Engine Stalling Due to Mass Air Flow/Crankshift Position Sensor Failure

for the Buick LeSabre

The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.

54 Reports

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Engine Oil Leak From Intake Manifold Gasket

for the Buick LeSabre

The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.

52 Reports

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Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

for the Buick LeSabre

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

35 Reports

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Engine Overheating Due to Water Pump Leak

for the Buick LeSabre

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

31 Reports

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Poor Ride/Handling Due to Worn Suspension Struts

for the Buick LeSabre

The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.

30 Reports

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Car Won't Start and Security Light is On

for the Buick LeSabre

Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.

24 Reports

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The Fuel Pump May Fail Causing the Engine to Stall or Crank Over But Not Start

for the Buick LeSabre

The fuel pump can fail causing the engine to stall and not restart. Our technicians highly recommend to replace your fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

23 Reports

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