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Nissan: 92 Pathfinder fuel injection problem

  1. #1
    Bill
    Guest

    92 Pathfinder fuel injection problem

    HI there. I have a 92 Pathfinder that just quit running the other day. I
    am getting fuel to the fuel rail, and I have plenty of spark and
    compression, but the fuel is not getting into the cylinders. I crank it
    over and pull the plugs and they are dry. I have replaced the ECU and that
    did nothing. The ECU is sending a code of 55 which is "No Malfunction". Is
    there a relay or fuse somewhere for the fuel injectors ?? I can't imagine
    that all of my six injectors died at the same time. I have inspected all of
    the wiring between the ECU and fuel injectors and everything seems to be
    fine. Any help would be greatly appreciated. Thanks in advance.


    --


    Ryan Rafferty
    RyansCarz Used Auto Parts
    316 Messer Street
    Laconia, NH 03246
    (603) 393-7728
    www.RyansCarz.com - com






  2. #2
    GEORGE
    Guest

    Re: 92 Pathfinder fuel injection problem

    Sounds like fuel pressure. I don't know the specific requirements for Nissan
    ( I own one, but mostly I'm GM) I do know port injectors require 50 psi or
    so on gms, as opposed to 12 psi on Throttle body injectors, and 2 or 3 psi
    on carbs.
    Start with a new fuel filter, then get a pressure check. Good Luck and have
    a merry merry George



  3. #3
    Steve
    Guest

    Re: 92 Pathfinder fuel injection problem

    Bill Williams wrote:
     

    They should have power with the key on as the computer grounds them..
    --

    Steve

    http://www.atlantaracing.com


 

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