One problem related to tank assembly has been reported for the 2003 GMC Sonoma. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Sonoma based on all problems reported for the 2003 Sonoma.
The contact owns a 2003 GMC Sonoma. While driving approximately 45 mph the "check engine" warning light illuminated on the instrument panel. The vehicle was taken to an authorized dealer for inspection. The technician stated the failure was contributed to the fuel system; tank assembly filler pipe. The repair was performed on the vehicle at the cost of $1,959. 00. The failure mileage was 54,348. The current mileage was 50,352. Updated 11/17/09 the dealer discovered road salt had eaten around the fuel module. The fuel tank was replaced and the fuel pump was warped. Updated 11/1/8/09.
| Fuel Pump problems | |
| Tank Assembly problems | |
| Tank Filler Pipe And Cap problems |