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Message: <blockquote data-quote="Tazza" data-source="post: 54972" data-attributes="member: 82">The fuel system is very simple. You have a pickup tume in the tank, it goes through the hand primer then to the filter. It then goes to the lift pump then to the injector pump. There is a bleed screw that is on the pump where the fuel line connects. There is a small hose that goes to number one injector tap off line. There will be a few more litle hoses to each one to the rear of the head. The last one goes back to the fuel tank. This is just the tap off line, it does nothing but allow internal leakage from the injectors back to the tank.With that said, there could be multiple issues here. Start with replacing the pickup tube in the fuel tank. Lift the cab, find the elbow to the tank, pull it out and replace the hose with quality fuel line. Replace the fuel filter, they are very cheap if is the CAV style that it should have.See how you go with that, if it doesn't work, let me know. They are very simple machines.</blockquote>