GMC C2500 owners have reported 7 diesel fuel system related problems since 1996. Table 1 shows the 2 most common diesel fuel system problems. The number one most common problem is related to the vehicle's diesel fuel system (6 problems). The second most common problem is related to the vehicle's diesel fuel system pre-heater (1 problem). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Diesel Fuel System problems | |
| Diesel Fuel System Pre-heater problems |
While driving, large amount of smoke came out. Took it to gm dealer who said that it the fuel injectors were leaking. Looked online and noticed hundreds of reports of the same action. GMC apparently did an extended warranty for the issue, but only covered it for 7 years from time of purchase and up Read details...
While replacing the fuel injectors under a special injector warranty, the dealership broke a glowplug off and called to say I need to replace the cylinder head at my cost. Call GMC customer support who say due to the age and mileage 2001, 124500. Read details...