Hi, I need help on this matter . Actually how to adjust the throttle plate fully closed to the stopper (where the gas pedal cable pull the throttle plate below got one small stopper for the throttle plate to sit ) cause I have some binding when pressing gas pedal during initial closed position after I had done the TPS adjustment to 0.5V . If you set the stopper (throttle plate) higher a bit the car engine will sound like you had been instal high cam profile ( rpm low...high ... 500rpm...1200rpm...) . get confuse on this . So need expertise help . Thnak you .