Freightliner Cascadia 2013 - NOX CONV EFF 18 and Fuel Level Codes

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by morelentless, Apr 14, 2019.

  1. morelentless

    morelentless Bobtail Member

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    Apr 14, 2019
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    Received the following codes on a 2013 Freightliner Cascadia

    • INSTR 023 SPN000096 FUEL LEVEL 05
    • EEC 061 SPN004364 NOX CONV EFF 18
    Not sure what the issue is on the NOX.

    On the fuel level, the fuel gauge bounces position widely from full to close to E no matter what the fuel level. The fuel gauge stabilizes when in a stop position but returns to the wide swings in positions when driving. Hava a mechanic looking -
    FUEL GUAGE ISSUE. CK WIRES AND PINS. CHECKED ICU.
    TRIED INSTALLING FUEL LEVEL SENDING UNIT BUT THAT
    STILL DIDNT WORK.

    Any ideas?
     
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  3. Driverdad

    Driverdad Light Load Member

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    Jun 13, 2015
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    4364 18
    Is nox efficiency conversion low

    I got mine to go away with a new nox outlet sensor

    400$ for the part
     
    LoneRanger and Wannabe tech Thank this.
  4. morelentless

    morelentless Bobtail Member

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    Apr 14, 2019
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    Thanks for the post.
     
  5. Wannabe tech

    Wannabe tech Light Load Member

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    Jan 2, 2019
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    I have a frieghtliner doing the same thing on voltage gauge,but my volts are stable. Lemme know what u find buddy
     
  6. Rouicha

    Rouicha Bobtail Member

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    Jun 1, 2020
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    How?
     
  7. Rouicha

    Rouicha Bobtail Member

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    Jun 1, 2020
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    How?
     
  8. isawaged

    isawaged Bobtail Member

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    Nov 5, 2021
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    Is there any correlation between a NOX sensor and a fuel level sensor? can one code cause the other code to show?
     
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