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cp3 failure possibly

  1. 07.5 - 09 3rd Gen 6.7L Powertrain
    To give you some back ground, 2009 6.7 cummins, fully deleted with DRD tunning using MM3, 128k miles and G56 tranny. Recently bought the truck and had an ECM failure while flashing computer with the DRD tuning. Bought a reman computer from reputable source. Installed ECM, flashed tuning on the...