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Fuel vapor smell in cab

Discussion in 'Peterbilt Forum' started by Junebug 883, Dec 14, 2017.

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  1. Dec 14, 2017 #1
    Junebug 883

    Junebug 883 Bobtail Member

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    Dec 14, 2017
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    I have a 00 Pete 379 I have a fuel smell in cab of truck I’ve checked lines fittings filters fuel caps no leaks cracks or breaks but I can not figure it out any ideas would be appreciated
     
    Junebug 883, Dec 14, 2017
    Junebug 883, Dec 14, 2017
    #1
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  3. Dec 14, 2017 #2
    Oldironfan

    Oldironfan Road Train Member

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    Did you step in fuel? May be crank case gases?
     
    Oldironfan, Dec 14, 2017
    Oldironfan, Dec 14, 2017
    #2
  4. Dec 14, 2017 #3
    Junebug 883

    Junebug 883 Bobtail Member

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    No it gets worse as day goes by
     
    Junebug 883, Dec 14, 2017
    Junebug 883, Dec 14, 2017
    #3
  5. Dec 14, 2017 #4
    Oldironfan

    Oldironfan Road Train Member

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    Crank tube cracked by the tip of engine?
     
    Oldironfan, Dec 14, 2017
    Oldironfan, Dec 14, 2017
    #4
  7. Dec 14, 2017 #5
    Oldironfan

    Oldironfan Road Train Member

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    Exhaust leak.
     
    Oldironfan, Dec 14, 2017
    Oldironfan, Dec 14, 2017
    #5
  8. Dec 14, 2017 #6
    Junebug 883

    Junebug 883 Bobtail Member

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    Not exhaust smell smells like raw fuel but no leaks anywhere
     
    Junebug 883, Dec 14, 2017
    Junebug 883, Dec 14, 2017
    #6
  9. Dec 14, 2017 #7
    uncleal13

    uncleal13 Road Train Member

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    Do you have a fuel pressure gauge. They are supposed to have an electrical sensor only, but some people plumb in a mechanical gauge that has fuel in a tube coming right up to the gauge, so it could be leaking there if that was the case.
     
    uncleal13, Dec 14, 2017
    uncleal13, Dec 14, 2017
    #7
    magoo68 and Goodysnap Thank this.
  10. Dec 14, 2017 #8
    Junebug 883

    Junebug 883 Bobtail Member

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    Dec 14, 2017
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    Yes I have a fuel pressure gauge and the line runs to fire wall i don’t think it’s electronic what’s the best way to check it thanks
     
    Junebug 883, Dec 14, 2017
    Junebug 883, Dec 14, 2017
    #8
  11. Dec 14, 2017 #9
    Jazz1

    Jazz1 Road Train Member

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    I had the plastic line crack on one years ago at the gauge. Replaced with copper. It weeped just enough to stink but not drip. Good luck
     
    Jazz1, Dec 14, 2017
    Jazz1, Dec 14, 2017
    #9
    Junebug 883 Thanks this.
  12. Dec 14, 2017 #10
    Luwi67

    Luwi67 Heavy Load Member

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    Got to get your head under there and check the line from firewall to gauge to be sure.
     
    Luwi67, Dec 14, 2017
    Luwi67, Dec 14, 2017
    #10
    Junebug 883 Thanks this.
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