Engine And Engine Cooling Related Problems of the 2003 GMC Sonoma

Table 1 shows three common engine and engine cooling related problems of the 2003 GMC Sonoma.

Table 1. Engine And Engine Cooling related problems of GMC Sonoma

Problem Category Number of Problems
Manifold/header/muffler/tail Pipe problems
1
Engine Belts And Pulleys problems
1
Car Stall problems
1

Manifold/header/muffler/tail Pipe problem #1

Consumer complained of vehicle handling problems since 5000 miles. Consumer took vehicle to the dealer at least 9-10 times. There was a popping sound in the front end. Consumer had the lower ball joints replaced, and believed the upper ball joints were still bad. Also, there was excessive play in the steering box. This was causing excessive wear on the tires. With any wind the vehicle was blown around. The service writer at the dealership said they didn't want to fix the problem because they were afraid it would make the problem worse, but it was not stated on the service repair sheet. At one point lock tight was put on the bolts to keep them from coming loose. The manifold gasket and thermostat was replaced. On one occasion the vehicle lurched forward, there was a squealing noise coming from the brakes.

Engine Belts And Pulleys problem #2

Was slowing down for upcoming light and out corner of my eye seen deer leap over tall grass on left oncoming side of road, was already at 40 miles hit brake to hopefully not hit her so by the time she and I had impact the vehicle was going bout 35 miles hr. Tore up right side of fender, door, hood, front grill, and something to do with the motor, the sensor lights now keep coming on showing airbag. Abc, seatbelt the service light comes on and then goes off. Have had it cked with machine and it shows a recall on the lights if a crash occurs it will make them malfunction.

Car Stall problem #3

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.


Engine And Engine Cooling related problems in other GMC Sonoma model year vehicles:



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