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how long does diesel last before it is bad

Discussion in 'Trucks [ Eighteen Wheelers ]' started by AUSSIE DAVE, Aug 13, 2010.

  1. Aug 13, 2010 #1
    AUSSIE DAVE

    AUSSIE DAVE Road Train Member

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    Hi all, I need some good advice, how long does diesel last in a truck before it is no good. The reason for question is that the fuel in my tanks is about 18 months to 2 years old, and i am not sure if it will be any good to use. P.S truck has not been started for that long.
     
    AUSSIE DAVE, Aug 13, 2010
    AUSSIE DAVE, Aug 13, 2010
    #1
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  3. Aug 13, 2010 #2
    DL550CAT

    DL550CAT Road Train Member

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    diesel is not like gas it does not go bad. It can get water in it from condensation.
     
    DL550CAT, Aug 13, 2010
    DL550CAT, Aug 13, 2010
    #2
  4. Aug 13, 2010 #3
    Mastertech

    Mastertech Staff Leader / Admin Staff Member Administrator

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    3rd Rock From The Sun.
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    I don't think you have anything to worry about, your fuel should be fine.
    However, the diesel fuel of today is not as stable as it was years ago, so it's always possible that you could have issues.
     
    Mastertech, Aug 13, 2010
    Mastertech, Aug 13, 2010
    #3
  5. Aug 13, 2010 #4
    Cowpie1

    Cowpie1 Road Train Member

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    If you are concerned, I would recommend PRI-D from Power Research. It is available on the net and usually at boating/marine outlets. It is designed for the new ULSD fuels as well as previous diesel and will restore old diesel/fuel oil. Does a pretty good job on keeping goofy stuff like slime and asphaltin from developing in diesel as well. I use the stuff pretty often. It is cost effective, only 1 oz to 16 gallons. My ISX really cooks the diesel it sends back to the tanks and I was having a problem with asphaltin developing in the fuel and coating fuel filters. PRI-D fixed the problem. Thought it was algae at first, but it wasn't.
     
    Cowpie1, Aug 13, 2010
    Cowpie1, Aug 13, 2010
    #4
    AUSSIE DAVE Thanks this.
  7. Aug 14, 2010 #5
    Heavyd

    Heavyd Road Train Member

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    Its the moisture that gets in from condensation and forms mold that causes the problems. Like Cowpie1 said, put some fuel conditioner in the tank and top it up with fresh stuff once you have it running.
     
    Heavyd, Aug 14, 2010
    Heavyd, Aug 14, 2010
    #5
    AUSSIE DAVE Thanks this.
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