The throttle position sensor monitors how far open the throttle valve (or blade) is open, which is determined by how far down the accelerator pedal has been pushed. The throttle position controls ...

Sponsored by IDT: What’s the best sensor type to use for an accelerator pedal position system—resistive, magnetic, or inductive?

Besides the injectors, the throttle body also incorporates the idle air control (IAC) motor, the inlet air temperature (IAT) sensor, and the throttle position sensor (TPS).