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Sounds like the fuel pump has given up the ghost or the fuel filter has completely collapsed.
When you turn the ignition key to "Run" (one click before the starter cranks), the fuel pump should buzz for 5 to 10 seconds. If the pump doesn't do anything, then it's shot and needs to be replaced. If the pump buzzes, the replace the fuel filter.
This may sound a bit oversimple, but Ford fuel injection shuts off if battery voltage (at the PCM) drops below 9 volts. If you see 10.5 volts or less at the battery while cranking, this is why the truck won't start. You'd be doing yourself a favor if you check for codes. Since the truck is EEC4, you can pull codes without a scanner. Instructions are at http://www.troublecodes.net/Ford/
Hope that helps! |
RV and bus conversion info since 1996.
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