One problem related to fuel delivery has been reported for the 1997 GMC C1500. The most recently reported issues are listed below.
: the contact stated the vehicle lost fuel pressure and was difficult to start. The contact inspected and replaced the fuel pump and sending unit as the insulation was burned off the wiring between the fuel pump and sending unit. The same failure occurred a second time. The sales dealer recommended a non-manufacturer name brand for the sending unit malfunction. The manufacturer was notified.
| Fuel Pump problems | |
| Fuel Delivery problems | |
| Fuel Injection problems | |
| Fuel Injector problems |