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Hey everyone, Running into an issue with my truck and I want to see if anyone can give me some insight. 2017-6.2l-4wd Truck drives normal in drive. Throttle response is good, gets up and goes, But, If I put it in park and try to rev it, it will runaway all the way to limiter and slowly creep back down. I will try to post a video a little later if needed, but I wanted to see if anyone has had this issue. It will also do it in neutral, but does not in drive. As well, I do not have a throttle response enhancer installed. Things on the truck: UPR Catch Can Kit American Racing Headers CAI Brand Cold air intake MBRP Exhaust Things I have tried/done (some are unrelated to this issue): Throttle Body replacement MAF Replacement Harness + Throttle body Check-over Pedal Wiring check-over Tune Checked by Tuner- We even put it back to OEM tune to see if anything changed Check for engine codes Check for irregular Vacuum amount. I wasn't entirely sure what the normal vacuum amount should be, but it "looked" okay. Overall the truck is pretty clean in the sense of being able to "see" anything wrong.
