Injectors not firing.

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  • 2002maniac
    R3V Elite
    • Feb 2005
    • 4260

    #1

    Injectors not firing.

    I just swapped in a low miles M42 and now i cant get it running. Fuel pump is running, has fuel pressure, I pulled the fuel rail out and cranked the motor and they didnt squirt a drop. I have a spare set of injectors, but I doubt all 4 would be stuck shut. I think it's an electrical issue. I double checked every connection and all the wiring is hooked up and correct (I believe). The motor came from a running car that i parted almost a year ago and was installed with the original engine harness in place. Anyone have any leads to help in the troubleshooting process?
  • archemedes
    Advanced Member
    • Aug 2008
    • 125

    #2
    computer getting crank signal?

    Comment

    • 2002maniac
      R3V Elite
      • Feb 2005
      • 4260

      #3
      How would i go about checking that? Wouldn't the coils not fire if this were the case?

      Comment

      • archemedes
        Advanced Member
        • Aug 2008
        • 125

        #4
        mine fired the coil, but not injectors when it came unhooked

        Comment

        • 2002maniac
          R3V Elite
          • Feb 2005
          • 4260

          #5
          Turns out I had the fuel lines (feed/return) switched. New motor runs great now!

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