I UNHOOKED IT IT SMOOTHED OUT WHEN I PLUG IT BACK IN IT ACTS LIKE IT WANTS TO DIE OUT WITH IT PLUGGED IN ITS SHAKES A LOT AND WHEN I PUNCH IT IT TAKES OFF REALLY SLOW UNTIL THE BOOST KICKS IN THEN IT BUILDS UP BOOST AND THE CAR STARTS BUCKING WHEN YOU FLOOR IT BUT IF YOU LIGHTLY GET INTO IT IT DOESNT DO IT AT ALL ALL I DID WAS RESET MY TPS TO .42 IT WAS AT .29 WHEN IT WAS THERE IT WAS REALLY FUN TO DRIVE BUT IT WOULD BUCK ON THE TOP END THIS CAR IS DRIVING ME NUTS