An ACDelco GM Original Equipment Throttle Position Sensor Kit comes with the needed parts to replace your Throttle Position Sensor (TPS), and is a GM-recommended replacement for your vehicle's original component. The TPS reports the throttle position to the engine control module, which uses the signal to adjust fuel delivery and ignition timing. This throttle position sensor kit has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.