Ask the Expert: What if my truck is blowing black smoke through the DPF?

    June 11, 2015
    A replacement DPF is required.
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    Q: What if my truck is blowing black smoke through the DPF?

    A: Your DPF is most likely damaged and no longer functioning properly. A replacement DPF is required to return your truck/engine to a certified level.  

    Information provided by: Diesel Emissions Service

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