What is the principle of automobile throttle?

The following are the principles of 1 and traditional throttle valves. The operating mechanism works through a cable (soft steel wire) or a pull rod, one end of which is connected with the accelerator pedal and the other end is connected with the accelerator linkage plate. 2. Electronic throttle. Through the throttle position sensor, according to the energy required by the engine, the throttle opening is controlled and the air intake is adjusted. Let's introduce the throttle: the throttle is a valve that controls air to enter the engine, which is connected with the air filter and the engine block. The gas enters the intake pipe and mixes with gasoline to form a combustible mixture, thus burning and doing work.