Good evening everyone. I’ve got a 2016 6.7 that was deleted prior to me purchasing it. The factory intake was present as well as the factory exhaust from where the filter was back to the tip. I installed an S&B intake and a 4” filter back to completely free up the exhaust. Everything was great until today. I ordered a Diablo Sport Predator and installed it on the economy setting, I now have a reduced engine power light and a check engine light. Returned back to stock and tried to reset the computer by disconnecting batteries and leaving key on for 30 minutes, no results. Truck will barely get moving from a dead stop. I do not know if truck was programmed when I got it or not but I had no lights on the dash until installing the Diablo.
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