Throttle Position Sensor

[jkn51]

I would like to know exactly what does the throttle position sensor does, and how would my truck run if it is going bad?

Ant information would help.. Thanks.

[ewood01]

The tps tells the computer where the throttle plate is in relation to its opening. Tps sensors dont commonly go bad. Over a period of time they can develop a flat spot as they act just like a potentiometer. They vary resistance as they move. Based on this resistance the computer knows where the throttle is at.