Classic check engine light issue fuel circuit

Discussion in 'Freightliner Forum' started by Cybercat, Apr 8, 2018.

  1. Cybercat

    Cybercat Medium Load Member

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    Oct 17, 2014
    East Tn
    0
    OK hubby has a code showing up : fuel temp circuit high:. Does anyone know what this refers too? It's on a Detroit 60 1998 engine.
     
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  3. shogun

    shogun Road Train Member

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    Jan 23, 2009
    Doing a regen
    0
    Probably the fuel temp sensor on the secondary filter going bad, or the wiring is grounding out.
     
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