I have a 16 XPT with some mods . Its been on the dyno at 155 hp at the tires . Everytime i go to the sand i seem to get a over boost code but not in the dirt . Im running 28 STU paddles it seems to do it in 4X4 . I havent noticed it in 2×4. I took it back to the tuner . He put it back on the dyno and ran 20 lbs of boost through it and didnt get a code . Anyone had this issue

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