A throttle position sensor is a sensor used to monitor the position of the throttle in an engine. The sensor is usually located on the throttle-body spindle so that it can directly monitor the position of the throttle valve butterfly.
The Throttle Position Sensor is conneceted to the end of the Throttle Shaft inside the Throttle Body. P.S. The Throttle Position Sensor is part of the Throttle Body and must be replaced as a unit. Hope this helps ya.
The throttle position sensor on a 2003 Chevrolet Suburban is located on the side of the throttle body. It notifies the vehicle's computer of the actual position of the throttle plate in relation to the throttle body.