What is the situation when the BYD S7 makes a loud noise when accelerating?

[DePreston]

This is the sound of the throttle opening in a turbocharged car, which is a normal condition. The following is an introduction about the throttle: 1. Meaning: The throttle is a controllable valve that controls the air entering the engine. After the gas enters the intake pipe, it mixes with gasoline to form a combustible mixture, which then burns to perform work. It connects to the air filter at the top and the engine block at the bottom, and is known as the throat of the car engine. 2. Function: There are two types of throttles: traditional cable-type and electronic throttle. The traditional engine throttle control mechanism works through a cable (soft steel wire) or a rod, with one end connected to the accelerator pedal and the other end connected to the throttle linkage plate. The electronic throttle mainly uses a throttle position sensor to control the opening angle of the throttle according to the energy required by the engine, thereby regulating the amount of air intake.