Compression Ignition Addict
Join Date: Jun 2012
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Just an FYI, I had a similar problem, and after replacing the fuel pump and having no luck, I traced every bit of the lines and found two pin-hole sized leaks on the suction side; the fuel bowl was emptying because it was sucking air. Think when you were little and had a soda straw with a hole in it....
Anyway, I couldn't find it at first. What I finally ended up having to do was unhook both fuel lines--suction and return, and plug one end, then hook up the outlet of a vacuum pump set to about 10 psi (use good hose clamps here--trust me!)
I found two wet spots on the suction side that were just big enough to cause the problems.
2007 F350 King Ranch CCLB 4x4
WVO conversion in planning
RIP 1996 F250 eclb, 4x4, 7.3L PS
Viair 444C/6g air tank on frame, Hadley air horn, Hella auxiliary reverse light, DIY WVO conversion; Efuel, dual FuelLab FPR's, 90g RDS tank, aluminum tube-in-heater hose, hotfox heated fuel pickup, copper coil-wrapped filter, 40-plate FPHE, auxiliary coolant pump, 2000lb winch-crane bolted to the frame. Ranch hand front bumper. Big winch.