GMC Suburban owners have reported 59 gasoline fuel system related problems since 1996. Table 1 shows the 7 most common gasoline fuel system problems. The number one most common problem is related to the vehicle's fuel pump (27 problems). The second most common problem is related to the vehicle's fuel injection (10 problems). For details of each of the problem category, use the links in the table.
| Problem Category | Number of Problems |
|---|---|
| Fuel Pump problems | |
| Fuel Injection problems | |
| Fuel Delivery problems | |
| Fuel Injector problems | |
| Tank Assembly problems | |
| Gasoline Fuel System problems | |
| Carburetor problems |
June 2006 the fuel pump stopped working when I was driving on the freeway, I was towed to the garage we normally use for maintenance. They replaced the fuel pump we did not pursue this under the original warranty on the vehicle - big mistake! in January 2009 the fuel gauge stopped working and Read details...
: the contact stated while driving various speeds on the highway, the engine stalled without warning. After stalling, the vehicle was not easily restarted. The vehicle was inspected by a dealer who determined the fuel injector pump needed to be replaced. Read details...
Fuel gage was acting erratic went full then empty with full tank . A few days later the truck would not start. Found fuse in engine compartment blown for fuel pump. Fuel pump wiring was melted in fuel tank causing short. Had to replace pump and harness which was part of the pump housing. Read details...
We have had continuous problems with the fuel injectors. The previous owner had atleast one injector to go out. We had three more go out and then the dealership replaced the other four back in sept. 2001. Sept. 2002 # 7 injector has gone out again. Read details...
Arcing connector inside fuel tank causes fuel pump to fail and loss of engine power. Gm technican reported that he performs at least 2 replacement senders + fuel pumps/week- indicating that " the sender/fuel pump connector is always fried when the pump goes". Read details...