Need help - Car issues

TopgunZ

If it only happens when you are going WOT (wide open throttle) then I am guessing they tuned that baby super aggressive with that meth kit. How much boost are you seeing? What are your AFR's? You might have a ridiculous pulley setup that is far too aggressive without the meth. So what is happening is you are pinging, pre-detonating, knocking until the knock sensor gets tripped and it puts your car into limp mode. Once in that mode the car will not rev past a set rpm. You can swipe the limp mode off and it will drive fine until that knock sensor triggers it to go back into limp.

You should NOT drive it hard until you figure it out. You could be doing damage every time you do. Stay out of boost. I would see if you can get the tune from Stillen for free and swap that on there maybe? Then if all is good, pull that meth kit out and get a dyno tune at a shop.

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