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 ...

I RE’d the Mazda Speed ECU. They used two microprocessors. The larger one, A 32bit SH4, to manage the throttle position, and another (MCS9) that has a “Killswitch” to the throttle motor.

Throttle Position Sensor Reset in Minutes – 3 Pro Tips You Need to Know. Posted: June 21, 2025 | Last updated: June 21, 2025. Is your car idling roughly, hesitating during acceleration, or ...