Empowering Mechanics Troubleshooting Injection Pump Pumping Failures

It's possible that the pumping plungers have stuck. There are diagrams in the workshop manual - look for a free download, possibly at www.asap-supplies.com if ... Then check there are no air locks in the system and the vent tube is not blocked preventing the pump from drawing fuel through to the engine. I have a B7610 that is not getting fuel to the injectors. There is fuel at the filter and the mechanical fuel pump seems to be working. The fuel solenoid is ... 2- there is insufficient fuel going INTO the pump inlet.. ... #2- simply pull the inlet line off of the pump and let it drain into a bucket..& ... If you have fuel, pump nut tightened correctly, and the shut off pulled towards the front of the truck or pulled up on.. you should see fuel ... 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. Check for air in the line between the tank, and the pump. Pump will not work if air is in the fuel line. Chech for air leakes in the line, and ... 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 ... The fuel pump relay energizes from pulses coming from the ignition module, so if its generating pulses the fuel pump is pumping. Not 100 ... Whenever the fuel injector pump's O-rings or ball seats are defective, the timing of the fuel transfer process is disrupted. This is a common ...