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Message: <blockquote data-quote="Shanmar" data-source="post: 137590" data-attributes="member: 21969">I've never been into the injection pump itself, but I'll throw out some thoughts.- Since it won't start, I'll assume you're not getting fuel if you open a line at an injector (unless it needs bled).- Is there good fuel flow coming out if you open the line entering the injection pump with the key on? The electric lift pump should be pumping.- If so, is there electricity being supplied to the fuel shut off solenoid (may need to be cranking, not sure if key on is enough, but maybe)- If so, replace fuel shut off solenoid or test it somehow? If ok, increase worry about the injection pump or it's drive being bad.- If no fuel supplied to the injection pump, is the lift pump running (clicking/rattling)? (lift pump could still be bad if is running)- Also, I've seen fibrous dirt plug up the fuel filter head and limit/stop flow. Have to remove entire filter head, completely disassemble and thoroughly clean.- Beyond that, running out of ideas, whole in fuel suction line?......</blockquote>