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Fuel/Def dash gauge malfunction

Discussion in 'Freightliner Forum' started by habfleet, Sep 9, 2017.

  1. Sep 9, 2017 #1
    habfleet

    habfleet Light Load Member

    163
    23
    Feb 5, 2012
    elwood nj
    0
    I have several Freightliner Cascadia's 2013 w/ISX/15 engine. I have replaced this gauge several times sometimes within less then a month is there a manufacture problem with these gauges .I am replacing them because both the DEF and Fuel indicator will fluctuate the def will show yellow or red lights even with the tank filled. If you tap on the gauge it will work fine for a while . Which leads me to think it is not wiring problem. Thanks in Advance .
     
    habfleet, Sep 9, 2017
    habfleet, Sep 9, 2017
    #1
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  3. Sep 9, 2017 #2
    truckthatpassesyouby

    truckthatpassesyouby Road Train Member

    1,876
    6,124
    Jun 3, 2015
    0
    You should check the fuel sensors on the tanks.

    My guage did the same. Fuel levels became odd and at times, one would be full of fuel and the other dry.
     
    truckthatpassesyouby, Sep 9, 2017
    truckthatpassesyouby, Sep 9, 2017
    #2
  4. Sep 9, 2017 #3
    habfleet

    habfleet Light Load Member

    163
    23
    Feb 5, 2012
    elwood nj
    0
    It's separate sensors
     
    habfleet, Sep 9, 2017
    habfleet, Sep 9, 2017
    #3
  5. Sep 9, 2017 #4
    me myself and I

    me myself and I Heavy Load Member

    716
    308
    Oct 5, 2009
    vernon hills,Il
    0
    Loose connection.
     
    me myself and I, Sep 9, 2017
    me myself and I, Sep 9, 2017
    #4
    mhyn Thanks this.
  7. Sep 9, 2017 #5
    habfleet

    habfleet Light Load Member

    163
    23
    Feb 5, 2012
    elwood nj
    0
    In 6 diffrent trucks ???
     
    habfleet, Sep 9, 2017
    habfleet, Sep 9, 2017
    #5
  8. Sep 9, 2017 #6
    mhyn

    mhyn Road Train Member

    4,255
    4,502
    Dec 29, 2008
    Northridge, CA
    0
    yes. j1939 link is loose. the wires coming from air pressure gauge . that air pressure gauge has bad connector. fixed on many trucks.
     
    mhyn, Sep 9, 2017
    mhyn, Sep 9, 2017
    #6
  9. Sep 9, 2017 #7
    habfleet

    habfleet Light Load Member

    163
    23
    Feb 5, 2012
    elwood nj
    0
    What was the fix Thanks
     
    habfleet, Sep 9, 2017
    habfleet, Sep 9, 2017
    #7
  10. Sep 9, 2017 #8
    mhyn

    mhyn Road Train Member

    4,255
    4,502
    Dec 29, 2008
    Northridge, CA
    0
    put the def/fuel gauge next to odometer. hook up the cable to odometer . the other cable must go out from def/fuel gauge to air pressure gauge.
     
    mhyn, Sep 9, 2017
    mhyn, Sep 9, 2017
    #8
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