2003 GMC Sonoma Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 GMC Sonoma
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2003 GMC Sonoma ProblemsLoss of One or More HVAC Blower Motor Speeds
The HVAC blower motor may stop working at one or more speeds due to a faulty blower motor resistor block. Our technicians recommend to confirm the resistor is at fault by first checking the operation of the switch.
The distributor may develop internal faults. This can cause a rough running engine or stalling condition and the Check Engine Light may or may not illuminate. The distributor should be overhauled or replaced to correct this concern.
2003 GMC Sonoma Questions2003 GMC Sonoma, engine turns over but will not start. (1 answer)
My truck is a 2003 GMC Sonoma, 2.2L (repairpal did not give me the option of selecting 2.2 liter), standard transmission. When driving the other night, the engine started rocking very hard (I could feel it in the cab) like a cylinder was not firing. The truck also lost power. I was able to pull i...
2003 GMC Sonoma RecallsAir 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.