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bad cylinder

  1. Any advice? Or just grit and take it?

    6.4 Motor Problems
    Hi guys! Having an issue here that I was hoping I could get some advice on... I have an '08 f350 dually with an H&S minni maxx and dpf delete kit. About 2 weeks ago my truck started missing real bad when you sat idling very long. It will ONLY miss and run rough when you have sat idling for...