2003 Chevrolet Blazer Repair and Maintenance

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

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.

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.

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

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The handle is in the park position,but the screen says neutral and its in neutral.

My 03 blazer engine light came on...scanned it bank 1 sensor 1 changed it with new one reset it..next day light came back on...po1035...checked fuse good..what wires and what voltage from the truck sides connector??

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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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