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I would suspect that the fuel pump is no good. Running an electric fuel pump on empty tank is inviting problems.
Sometimes if a vehicle runs out of fuel it can get air in the fuel lines. Any time a vehicle runs out of fuel and more fuel is added, the key should be turned to the 'On' position then back to the 'Off' position three or four times to prime the fuel pump. Priming the fuel pump will remove any air that may have gotten into the lines as a result of the vehicle running out of fuel.
If priming the fuel pump does not start the vehicle, I would recommend having a fuel system inspection performed by a qualified professional
?? depending on year ,,,it could have a lift fuel pump in the tank to prime it up for starting ,providing its a conventional injector pump which having a hand primer i would assume it has ,need more info really but do check the fuel lines on the top of the fuel tank as they could be perished so its sucking in air ...or the lift pump inside the injector pump has failed ,really need to see it to know the problem .
Hi, You need to connect a hand priming pump between the fuel supply pipe & the fuel filter keep squeezing the pump until it becomes firm. continue squeezing the priming bulb durin engine cranking.
I would recommend loosening the fuel filter and then applying air for a compressor to the fuel tank and have someone watch for fuel filter and when it is full of fuel keep applying air and tighten the filter. check for fuel going through the line from the filter to the engine. Then have someone try to start it while still applying air the the tank which will help push the fuel. I used to do this all the time working on semi's and chevy express vans with duramax diesels.
It could either be a fuel pipe between your prime pump and injector pump that sucks air so your diesel flows back into your fuel tank. Or you need to replace the prime pump.There is a rubber diaphragm in the prime pump that gets worn. Unfortunately need to buy a new prime pump. A simple sollution is to fit a non return valve to your fuel line. That need to be connected between the prime pump and fuel tank. Hope it helps. Blessings
Fuel reg. is connected to the fuel rail where the return line is connected, my thoughts are you mentioned air in your lines.. crack open fuel lines and run fuel pump to release air from lines. Pump then should prime all lines must be primed turn engine over to release air ( No Smoking) then tighten lines. fuel rail might have valve, (looks like tire valve) if so it is recommended that air is relieved at air valve
there is no air removal pump how ever there is the system priming pump with an air bleed valve(screw) on the left fender well open valve and pump till air free fuel flows close valve pum till plunger is hard then start
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