Fuel gauge not working

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  • elcoy
    E30 Addict
    • Jan 2011
    • 569

    #1

    Fuel gauge not working

    91 325i fuel gauge on dash not working reads empty. checked continuity on both sending units at tank. Passenger side shows continuity between the two sending unit pins. Passenger side does not show continuity between pins. Is this the way it should be? Or is my passenger side tank sending unit shot
    The Lineup in order of appearance:
    91 535i
    91 318is 5 Lug/E46M3 Brakes
    91 325is w/ S52
    88 Vert Plastic Bumper Swap
    88 M3 ;D
    91 325ix 5 speed
    89 Vert Royalblau Metallic
    73 2002
    1986 325es --> is swap Rallycross Car!!
    1995 Chevy G30 Tow Rig... *I SOLD A CAR!!*
    1993 525i Granitsilber Metallic Touring

    Need a 91 M5 bad but wife would shoot me...twice

    *UPDATE: got a 93 M5 and still alive

    1972 Jeep Wagoneer
    1975 2002 five speed

    Check out:
    Elhartspeedshop.com


    sigpic
  • jlevie
    R3V OG
    • Nov 2006
    • 13530

    #2
    The sensors are wired in series, so if one goes out the gauge dies. Replace the sensor showing an open circuit.
    The car makes it possible, but the driver makes it happen.
    Jim Levie, Huntsville, AL

    Comment

    • elcoy
      E30 Addict
      • Jan 2011
      • 569

      #3
      Thanks
      So just to confirm the one with no continuity must be bad??
      The Lineup in order of appearance:
      91 535i
      91 318is 5 Lug/E46M3 Brakes
      91 325is w/ S52
      88 Vert Plastic Bumper Swap
      88 M3 ;D
      91 325ix 5 speed
      89 Vert Royalblau Metallic
      73 2002
      1986 325es --> is swap Rallycross Car!!
      1995 Chevy G30 Tow Rig... *I SOLD A CAR!!*
      1993 525i Granitsilber Metallic Touring

      Need a 91 M5 bad but wife would shoot me...twice

      *UPDATE: got a 93 M5 and still alive

      1972 Jeep Wagoneer
      1975 2002 five speed

      Check out:
      Elhartspeedshop.com


      sigpic

      Comment

      • jlevie
        R3V OG
        • Nov 2006
        • 13530

        #4
        Correct.
        The car makes it possible, but the driver makes it happen.
        Jim Levie, Huntsville, AL

        Comment

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