M50 swap not getting fuel??? Please help

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  • THEhomelessONE
    Grease Monkey
    • Oct 2013
    • 303

    #1

    M50 swap not getting fuel??? Please help

    Gets spark, check engine light is on in ON position, turns off when cranking as usual. Car ran for a few seconds on starter fluid. Fuel lines are hooked up correctly and no blown fuses. Don't hear fuel pump kicking on, and it was working fine before the swap. Only plug I don't have hooked up is the square one that comes off the o2 plug. The square plug that comes off maf is hooked up to that fuel evap valve.


    RIP 02/25/15
    http://www.r3vlimited.com/board/show...16#post4356816
  • Steven
    Forum Sponsor
    • Dec 2012
    • 2305

    #2
    See if you're getting power from the red/white wire coming into the fuel pump relay when the ignition is on. See if you're getting power at the green/violet one too, then test the brown one for a ground.

    Feedback!
    Custom Cup Holder Consoles!
    Calypso Story--S50/Shaved and Tucked Bay

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    • THEhomelessONE
      Grease Monkey
      • Oct 2013
      • 303

      #3
      Originally posted by Steven
      See if you're getting power from the red/white wire coming into the fuel pump relay when the ignition is on. See if you're getting power at the green/violet one too, then test the brown one for a ground.
      Which one is the fuel pump relay? 92 318ic, there's three coming off the harness. Thanks!


      RIP 02/25/15
      http://www.r3vlimited.com/board/show...16#post4356816

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      • ttrousdell
        E30 Mastermind
        • Nov 2009
        • 1770

        #4

        see page 30. colors and size for wires are given which should help you identify it. Of the three one is main, one is fuel and one is O2. shouldn't be hard to figure out.

        The Build:
        http://www.r3vlimited.com/board/showthread.php?t=191125

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        • THEhomelessONE
          Grease Monkey
          • Oct 2013
          • 303

          #5
          What else can I check? Can't find the damn test light. I installed a chip going to see if I installed it backwards. New crank, cam sensors and I changed them one at a time not to mix them up when the motor was out. Lol $20 via paypal to the guy who figures this out for me before 8pm (bedtime) thanks for the help appreciate it


          RIP 02/25/15
          http://www.r3vlimited.com/board/show...16#post4356816

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          • THEhomelessONE
            Grease Monkey
            • Oct 2013
            • 303

            #6
            Not the chip, check engine doesn't come on if it's in backwards.
            It was the fuel pump relay, switched it with the other 4 prong, thanks for the help guys!!
            Last edited by THEhomelessONE; 01-29-2014, 08:09 PM.


            RIP 02/25/15
            http://www.r3vlimited.com/board/show...16#post4356816

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