Question about 1999 Ford Super Duty F 550
Please check if the connections from the battery are fine. This device on the side of the injection pump is the priming fuel pump or the transfer pump. This can be manualy operated with the hand pump or is operated by the cam shaft of the injection pump when the engine is running.
There should be a bleed screw at the filter housing or you could take the line off of the injection pump coming from the filters. When pumping the hand pump you should get fuel there. If not then either the hand pump is bad or you are sucking air between the hand pump and the tank. One way to check the hand pump is to pull the inlet line off of the hand pump and should be able to feel some suction there when pumping the hand pump.
It might be possible to run a line from the inlet side of the hand pump into a bucket of fuel, if this allows the engine to start and run then the problem is between the hand pump and the tank, if not then it could be either the hand pump or injection pump. Another trick to see if the hand pump is at fault is to plumb a electric fuel pump in line that will supply fuel to the injection pump, if this allows the engine to run then I would lean heavily towards your hand pump.
It is possible that the water seperator filter or base could be allowing air into the system and also a standpipe in the fuel tank if the suction line goes in the top of the fuel tank.
Please do accept the solution and revert for further assistance.
Posted on Jul 03, 2009
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Posted on Jan 02, 2017
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