Turn on the power automatically, but it won't catch fire. Did you hear the electric sound in the engine?

It is normal to turn on the ignition switch and not start the engine compartment of the vehicle, which is caused by the engine throttle. Because there is a driving motor in the throttle, push the throttle to control the opening of the throttle. Throttle drive motor belongs to the type of DC servo motor. Throttle DC servo motor adopts pulse width modulation technology, which is characterized by high frequency, high efficiency and high efficiency.