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dpf on tunes

  1. Limp Mode from DPF on tunes...

    6.4 Motor Problems
    Well unfortunately I ran into some problems today. I purchased a Spartan tuner a few weeks ago and decided to run the DPF on tunes until I received my exhaust. I was very happy with the gain that I got even from running the 125hp DPF on tune. Everything was great until I decided to return the...
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