Solving Injection Pump Pumping Problems A Step-by-Step Walkthrough

The pump is pumping fuel out a crack in the return line between two of the injectors. The shutoff is not pulled out. There shouldn't be fuel flowing out the ... Bleed the fuel system per the manual - if you have one. If the pump is indeed bad it can probably be rebuilt. A local shop was able to rebuild ... Verify the air filter is new. Try advancing the pump on high-hour machines. If the problem doesn't change, then verify supply and fuel quality. If that is good, ... It almost seems, that internally in the injection pump there is a flow problem from the low pressure inlet to where the high pressure picks it ... Try disconnecting the outlet hose to the hard pipe. Run the rubber hose to a bucket or gas can. Turn on the car, and see if it pumps. You could have good fuel ... I screwed up this time by starting at the banjo bolt and pumping the lift pump until fuel came out. The engine started and then stopped. I ... Try pressurizing the fuel tank with an air hose, and use a rag to seal it. Are you sure the injection timing is correct? You need special tools ... The diagnosis from the seller was that the "fuel pump" wasn't working and there was voltage at the pump, but no pressure at the fuel manager. try cracking the steel lines at the injector pump just to see if your clog is the lines or the pump. could just be air lock and your lift pump ... The fuel pump relay energizes from pulses coming from the ignition module, so if its generating pulses the fuel pump is pumping. Not 100 ...