Decoding Injection Pump Problems Why It's Not Pumping

They are known for the camshaft lobe that drives the fuel pump to wear off and they won't move the lever enough to pump enough fuel. Also check for air leaks on the suction side of the pump. If you are using the glass bowl fuel filter, they are susceptible to warping where the ... Turning to the key to the on position will turn fuel pump on for a couple of seconds to prime fuel rail. It will not keep fuel pump running. 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. Possible causes include a fuel camshaft with a soft lobe that isn't actuating the pump, or (2) the pump is leaking backward and not making pressure. A dealer ... In other words, if an injector pump is not making pressure, then an external pressure straight to it with a high pressure line will or will not ... - If the injection pump has a fuel solenoid, ensure that it is receiving power and functioning correctly. A faulty solenoid can prevent fuel ... 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 ... 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. Assuming the connector at the pump is ok – these are known to corrode and fail, so be sure about that – then the pump must be binding or getting ...