I have a 2000 Ford V10 310 hP. On Memorial Day weekend I developed a fuel leak above the fuel tank. We lowered the tank and found that a critter had chewed the rubber line through. The line was replac...
Similar thing happened to me. When the electric fuel pump stopped working ( due to the 12 volts missing ) mine would run fine with the engine fuel pump until I had to accelerate or go up a hill then it would start to backfire and die. As soon I backed off of the gas everything was fine. Of course mine is carbureted.