I have the dual fuel tank, and the main tank isn't working properly, it will run fine and then occasionally the truck start to lost power, it's still running but won't accelerate, i switch the rear tank and it kicks back in and works great. I can even then switch back to the main tank and its' working again. anyone got any ideas?
Sounds like a problem with the switching valve under the truck, not the one on the dash, the first i would check that all hose clamps are tight
SOURCE: 90 f150. when i switch to the rear fuel take the truck runs for
sounds like the diverter valve or the switch is defective
SOURCE: fuel gauges no working 1989 ford f-150
drop the gas tank and either replace the fuel sending unit connected to the fuel pump, or you can try to clean the contacts w/ a pencil eraser, just be gentle
SOURCE: Fuel pumps will not run!
Hey lets try this ! Locate your starter solenoid & look for a yellow wire marked with a "W" . That may be the fusible link for fuel pump. Let me know what you find.
SOURCE: 1996 ford f150 with two tanks. Truck has been
You may have run out of gas in the front tank, but the gauge may have been reading the rear tank or the front sender is stuck. Is the fuel line switched electrically or manually controlled? How are the gauge connections switched?
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SOURCE: 1997 F-350 Ford Powerstroke4x4 Crew
Have you changed your oil? Rotella 15W-40. These engines really don't like old oil. It becomes too thick for the injection pump to work correctly. Another possibility is a bad cam sensor on the front of the motor. Most engines call this the crank sensor but on this engine you have to look it up as a cam sensor.
High Pressure Pump
Hope this info helps you out!
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