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1996 7.3 F350. fires off but wont run
I'm helping my cousin get his 1996 F350 7.3 auto back up and running. It will fire off but only run for one or two seconds then it shuts off.
Changed the fuel filters, blew out the return line, replaced the fuel preheater. There was a lot of sludge when these parts were disassembled and cleaned. Truck started and ran fine after the previous maintenance for only about 20 miles then resumed the original symptoms.
Fuel seems to flow real well through the disconnected return however we havnt checked pressure at the shrader valve. Thinking about replacing the mechanical fuel pump and R&R the valve that switches between the fuel tanks.
2005 F250 4x4 CCSB, head studs, CCV mod, new OEM oil/EGR coolers, coolant filter, Rotella T5. EGR disconnected. 150k miles and climbing.
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