The Anti-lock brake system (ABS) control unit may fail internally causing the ABS warning light to illuminate.
Resources for the Repair and Maintenance of your 2003 GMC Sonoma
2003 GMC Sonoma
2003 GMC Sonoma Problems
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.
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.
The power door locks may stop working in one or more doors due to a failed actuator. Replacement of the failed actuator should correct this concern.
2003 GMC Sonoma Recalls (Recent)
RepairPal Expert Overview:
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.
2003 GMC Sonoma Questions and Answers
i replaced my belt on my truck and still hear some squiling somthing like that. Could it be my tenson pully. thanks and what would it coast to be replaced
m.i.l. light is on. code scanned po141. Replaced o2 sens. cleared obc. came back on. same code. never ran the ethanol fuel in it. Could my cat.convert. be full o trash? I have to hit the key switch...
Had the fuel pump changed and the problem went away for about 2 weeks. Now it's back to cranking several times before it starts. It starts immediately if I re-start it right after running for...
engine dies when gas is at or below 1/4 tank,usually when
truck is sitting on a tilt,or when making a sharp turn.