Question about 2000 Ford Expedition

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Fuel not working

New fuel pump still dont work have 5.1 volts at fuel pump

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  • dhill15 Feb 20, 2009

    yes ck andok

  • SurveyorT100 May 11, 2010

    what's not working the fuel pump?

  • yadayada
    yadayada May 11, 2010

    do u check to see if the fuel pump cut-off switch is tripped?

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  • Ford Master
  • 4,369 Answers

Should have 12 volts at pump during engine cranking. with key in "on" position, the fuel pump only gets voltage for 2 seconds if engine is not running. Read voltage during cranking. Check fuel pump relay in battery jucntion box under hood.


fuel not working - 510974e.gif

Posted on Feb 23, 2009

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Posted on Jan 02, 2017

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1992 Dodge Grand Caravan 3.3L stalled and wont start. No hum from fuel pump when key turned on, no fuel pressure at rail. I tryed starting fluid thru intake and no go. What could cause this?


is the fuel pump working now. sometimes the fuel relay can be the fault for no fuel. you need between 3-5 bar on fuel rail so just putting fuel in will not work. you will need a meter to check there is voltage getting to the pump the wires on pump remove them and connect to the meter and turn on ignition if volts then the pump is dead if there is no volts the relay is not working or the fuse has blown, , if fuse not blown then the relay is not working, or there is a damaged wire, even if the relay clicks it doesn't always mean its connecting.

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The plug you are referring to is probably the fuel tank pressure sender not the fuel pump. It would be plugged into a black sensor about 2 inches long pushed into a rubber grommet on the fuel bung. The fuel pump connector would have more that 2 wires going to it. most likely a heavy purple wire would be the power to the pump. It has to have 12 volts to it to work. The sender may have 3 wires, 5 volts, ground, and sense. the pump connector would have 12 volts, ground and 5 volts for the fuel gauge sender down in the tank.
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