What is this black thing found in the fuel tank?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by DUNE-T, Feb 8, 2019.

  1. DUNE-T

    DUNE-T Road Train Member

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    E3FEF4B2-.jpg 26DE9068-.jpg 40F734D9-.jpg I gave my old damaged fuel tank to my buddy, after draining the fuel he found some interesting stuff. What is it, algae?
     
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  3. okiedokie

    okiedokie Road Train Member

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    Ultra low sulfur diesel fuel is low in oxygen and nitrogen and problems develop with the fuels' thermal stability when the hot fuel returns to the fuel tank. Once the little black dots collect in the fuel filter, it will cause the engine to lose power and/or shut down.
     
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  4. mnmover

    mnmover Road Train Member

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    Instead of algae, it has another name, the fuel gets so hot it is reversing the refining process, the brown dots do collect in the fuel filter and engine loses power.
     
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  5. Hulld

    Hulld Road Train Member

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  6. vikingswen

    vikingswen Road Train Member

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    Cummins has a product that will deal with Asphaltene.
     
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