Solving Injection Pump Pumping Problems Advanced Troubleshooting

I've traced the problem back to the FIP which isn't pumping any fuel. The FIP was completely refurbished at significant cost before refitting. You have moisture, trash, dirt, or some other contaminant in your fuel. That same fuel problem will also ruin the new pump. Moisture in the fuel ... The pump has to be turning for any fuel to come out of the lines. As it will run, I doubt a fuel issue also. As they are a gravity feed, only a plugged line ... It is a not-unknown issue with the pump that, as far as I can tell, only occurs in the IMS tank. The pump diaphragm has probably distorted into a dome shape. 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 ... 1) Remove the sending unit from the tank and clean the pick-up screen. 2) Check the hose connection on the sender unit. Disconnected fuel line by carbs to lower resistance, ticks continuously but will not pick up fuel. Took off fuel line filler cap, tried again. No luck. We will explain how to repair fuel injection pump properly. It also explores what are the diesel injector pump failure symptoms. Short answer is no, it won't run if the fuel pump is not working. Longer answer, as the fuel tank is below the level of the carbs fuel need to ... Try backing out the bolts on the pump side. If it works, then you'll need to pull the pump and make sure you didn't bend the push rod.