No power. Poor fuel economy.

Discussion in 'Volvo Forum' started by Amram, Aug 27, 2018.

  1. 25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    Biologicals growing in the tanks, or a bad fill?

    The bad fill happened to a Cummins I drove, and it was a miserable winter after that, but shook it after the weather warmed, that ISX returned really warm fuel to the tanks and cooked it out.

    It can foul up the injectors, too, because the microbes defeat the water separation in the fuel system. They are technically a fungus or bacteria, several different species, but are usually called fuel algae.

    Pseudomonas will even grow in gasoline, but there needs to be water in the tank, too. The line between the fuel and water is where it grows, it needs both.
     
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  3. x1Heavy

    x1Heavy Road Train Member

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    Did you start getting fuel other than your normal fueling spot maybe? Or changed the source of fuel to your company's pump tank?
     
  4. x1Heavy

    x1Heavy Road Train Member

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    You are three steps ahead of me.

    I cannot stand the idea that algae grows in fuel. Ugh. EEW.

    You can probably see it green inside the airdryer I bet.
     
  5. 25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    Actually black, and the filters catch the big stuff, plugs them tight, and on and on, there are additives called biocides, usually some formula containing borax that kill it.
     
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  6. Amram

    Amram Medium Load Member

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    We are a tiny company no pump tank. Until last week I was on a fedex dedicated lane in Burlington, VT. I fueled at a single mom and pop truckstop in Fairhaven, VT called maplefields.
     
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  7. Amram

    Amram Medium Load Member

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    So I need to get some stuff to clean the tanks out. Any reccomendations?
     
  8. 25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    Did this start suddenly or was it gradual, the black you mentioned was a clue to it being caused by bad fuel?
     
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  9. Amram

    Amram Medium Load Member

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    My power loss started in October and has gotten worse overtime and I have watched my fuel economy slide downwards.
     
  10. Amram

    Amram Medium Load Member

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    Have also found brown sludge in the bottom of the davco.
     
  11. kemosabi49

    kemosabi49 Trucker Forum STAFF Staff Member

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    They make a biocide that you can put in your tanks to kill the algae but if your tanks are real bad you may be better off draining them and having them cleaned.
     
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