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  1. 94-98 7.3L Problem Forum
    The truck is running really rough with lots of white smoke. The only thing I had done to truck was PCM tuning by DP but I do not believe the PCM is the problem because it ran a friends truck just fine. I took it to local shop and they checked PCM, IDM, IPR, ICP, CPS. The scanner showed the HPOP...
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