White exhaust tips

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Transit_lifer, Jul 14, 2020.

  1. Transit_lifer

    Transit_lifer Light Load Member

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    Feb 23, 2020
    Hemet, CA
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    On the new trucks, the stack tips are like a white powder instead of black soot. Is it the emissions stuff doing this?
     
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  3. Rubber duck kw

    Rubber duck kw Road Train Member

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    The urea out of the DEF is all I know of would cause that.
     
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  4. D.Tibbitt

    D.Tibbitt Road Train Member

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    Yes its from the def fluid.
     
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