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I am going to trade in my 14 dually and going back to the gas engine. So my question is, when I put the *** back on and tune it back to stock, is my DEF fluid going to be good or do I have to drain the tank and put in fresh DEF? I have been ******d and tuned almost 2 years so I am not sure if...

I have an sct x4 and have the options Load first Tow Street Race So is load first an actual tune or just something I load first then choose one of the other 3. I am a computer idiot so don't bash me too hard

Well last monday I started up the truck and heard what seemed to be an abnormal turbo whine at start up and at idle but would go away when given throttle. Fast forward to Thursday the noise was getting worse and I mean louder. So i decided to drop buy the dealer and let him hear it, started it...

So lets say my truck shuts down in the middle of the road due to an EGT sensor failure or any DPF related sensor failure. If I have in my possession a SCT X4 tuner that is DPF delete capable, could I plug that tuner in to my OBD port, shut off the DPF function and delete the error code(s) then...

Evening ladies and gents, Been hovering around here lately and learning some good things and realizing you guys are going to empty my wallet. In April I bought a '14 crew cab dually, black on black and a beast of a truck. I had a '13 dually with a 6.2 only had it 10 months what a dog. I am a...