2003 Chevrolet Blazer Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Chevrolet Blazer

2003 Chevrolet Blazer Problems

Fuel Level Sensor Failure

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.

ABS Light Due to Brake System Control Unit Failure

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

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

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

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2003 Chevrolet Blazer Questions

How much is it to fix a piston (1 answer)

wont start (2 answers)

started every day but when rain or damp out runs but actes like missing now today wont start rained turns over but wont start

cost of fan clutch replacement (1 answer)

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2003 Chevrolet Blazer Recalls

Air Bag Labels May Be Incorrect

Vehicles may have an air bag warning label with incorrect statements. This is against the Federal Motor Vehicle Safety Standard. Owners will be sent corrected labels and installation instructions. The recall began June 4, 2004. The GM recall number is 04021.

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