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2003 GMC Sonoma Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 GMC Sonoma

2003 GMC Sonoma Problems

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

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.

A Loose or worn gas cap may cause Check Engine Light to illuminate.

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2003 GMC Sonoma Questions

This is a used truck, I got in Dec. and had brake and rotors pads replaced 4 times, since then. Brake lines and boaster also have been replaced once. My freind said there is a little box that goes from the Brake line to the ABS, could this be the problem, if it is, do you know the name of this ...

Growels real loud going down road Grease is fine Mech says some wear but not terrible

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2003 GMC Sonoma Recalls

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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2003 GMC Sonoma Reviews

4.3 v6 is a great engine. drives and handles great. gets 22 mpg at 70mph on interstate.

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