Engine dies when on frt fuel tank after running for(more or less) 5 mins. Parts replaced are. Frt tank fuel pump, frame rail fuel pump,fuel filter, fuel cap, dash mounted fuel tank switch and the air idle motor. When the engine starts to quit the fuel pressure drops quit quickly. The trk runs very well on the rear tank. After the engine quits the trk is very hard to start on eather tank.
Nov 7, 2008 at 7:44 AM