What Causes the Electric Current Sound When Pressing the Accelerator?

[Elle]

It is normal to hear an electric current sound when pressing the accelerator. Generally, when turning the ignition key without starting the engine, pressing the accelerator activates the throttle control for a certain period, producing a buzzing sound. Most modern new cars are equipped with electronic throttles. More information about electronic throttles is as follows: 1. The electronic throttle is an important control component of the car engine. It consists of the engine, speed sensor, throttle, etc. Using an electronic throttle control system allows precise control of the throttle opening. 2. The electronic throttle control system ensures precise throttle opening control, which not only improves fuel economy and reduces emissions but also provides rapid system response for satisfactory driving performance.