Troubleshooting Injection Pump Pumping Failure A Step-by-Step Approach

A spinning pump doesn't mean you have fuel delivery. To confirm that you need to securely fit a fuel line onto the output nozzle and pass it to a jar then ... 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 ... 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 ... On an 83 rabbit TD that I am playing around with, the injection pump suddenly stopped working. Earlier in the day, the governor seemed to have a few issues ... The pump is high and the gas from the tank cannot reach the pump which is high. So MOUNT the pump on the bottom of the frame and gas will always flow to the ... If the spring breaks or the piston gets stuck the pump can get stuck in prime mode. Not sure if that's your problem but it's easy to check. A GENTLE tap on the side of the injection pump (while cranking over the engine) can sometimes free the little plunger and get it working again. You have of course opened the fuel stop-cock. One of the commonest problems is a tiny air-leak somewhere along the supply line before the pump, ... Unbolt lift pump, leave lines connected, use large channel locks to depress plunger twenty or thirty times, look for plunger leak, listen for ... Bypass your current fuel supply, fully loosen injector lines and see if you get any squirting. ... Have someone crank the engine while you hold ...