Question about 2000 Mercury Grand Marquis

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Repacing fuel pump on 2000 mercury grand marquis

No fuel presssure

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1 Answer

All Fuel Pumps are inside the fuel tank

Have to drop the tank down & remove pump
from the top

Been that way for 25 years

First you have to diagnose the real problem
Can't assume the pump is bad

Posted on Jan 11, 2013

  • mtkoruga
    mtkoruga Jan 11, 2013

    Yes , no pressure at schrader valve, replaced the simplist,,the fuel filter can't hear the the pump pressurize when I turn on ignition

  • Anonymous Jan 11, 2013

    Why would you replace a fuel filter? That is something you do every 3 or 4 years,so you know about that. You should have a wiring diagram,then you could try jumping the relay for the pump. You may have a grounding issue by the tank from dirt & rust. Most likely have to drop the tank to check out the pump

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c2d848f.jpg

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