Other Fuel System Related Problems of the 2003 GMC Sonoma

Table 1 shows one common other fuel system related problems of the 2003 GMC Sonoma.

Table 1. Other Fuel System related problems of GMC Sonoma

Problem Category Number of Problems
Other Fuel System problems
2

Other Fuel System problem #1

While driving the truck the brakes failed, pedal going to the floor. Took the truck to a repair shop and they stated that all the brake lines were rusted through, and more importantly, where the leaf springs attached to the underside of the car was completely rusted and the truck was unsafe to drive. The shop could not repair the car, and knew no one locally who could repair the car. There have been numerous rust issues with the truck over the years as follows: spare tire mounting rusted through and the spare tire flew off the truck in traffic; the fuel line had to be replaced twice due to rust; and the rear brakes rusted and had to be replaced three times.

Other Fuel System problem #2

The contact owns a 2003 GMC Sonoma. The contact stated while he drove 73 mph the vehicle stalled without warning. The contact was able to coast onto the emergency lane. The local mechanic performed a diagnostic test and was unable to locate a failure code. The vehicle was taken to a second dealership for additional inspection that advised that the spark plug and the fuel cap needed to be replaced. The spark plug and fuel cap was replaced. The manufacturer was not made aware of the failure. The failure and current mileage was 92,984.


Other Fuel System related problems in other GMC Sonoma model year vehicles:



Fuel Economy of Sonoma Vehicles
Sonoma Service Bulletins
Sonoma Safety Recalls
Sonoma Defect Investigations