High pressure fuel pump
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On my f350 6.4 powerstroke my high pressure fuel pump is failing. what other problems can it cause and can I get instuctions on how to change it
1 Reply
Popular Answer
DaveJMon Mar 3, 2011
99% of the time, it's malfunctioning due to a wiring harness issue underneath the cab where it goes to the engine compartment. Have a professional diagnosis performed. If High pressure fuel pump codes are valid, the cab will need to be removed from the chassis and repairs to the harness will be needed. This, obviously, is not in any way a "do it yourself" repair...
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