A position sensor is a device that helps us know the position or location of something. It detects changes in position and provides information about how far or in what direction something has moved. Full definition
Check the throttle position sensor for if its plugged in from when the timing chains were replaced. (yourmechanic.com)
I put a brand new throttle body and throttle pedal position sensor on it and changed out the spark plugs and wires. (yourmechanic.com)
The reduced power warning will typically illuminate on these vehicles if there is a fault found in the throttle position sensor circuit. (yourmechanic.com)