How to judge whether the throttle should be cleaned?

When the acceleration is weak, the engine noise will increase seriously, the engine idle speed will be unstable and the engine will shake. The following is more information about the throttle: 1. Precautions for maintaining the throttle: (1) Do not use strong corrosive cleaning agents. (2) Develop correct driving habits and do not add inferior gasoline. 2. Definition of throttle: Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be successfully formed after combustion. Connected with the air filter and the engine block, it is called the throat of the automobile engine.