What does the throttle position sensor in the car do?

The throttle position sensor in the car plays a role in detecting the engine state. The following is an introduction about the automobile throttle position sensor: 1. Principle of action: it transmits these signals to the ECU electronic control unit of the automobile through the circuit, and then the ECU electronic control unit of the automobile judges how much fuel should be distributed to the fuel system through this transmitted signal. 2. Function overview: Throttle position sensor is also called throttle opening sensor or throttle switch. Its main function is to detect whether the engine is in idle or load condition, acceleration or deceleration condition. It is essentially a variable resistor and several switches installed on the throttle body.