Does the car throttle need cleaning?

Automobile throttle is a controllable valve to control air entering the engine, and there is no clear requirement for the frequency of cleaning the throttle. Details are as follows: 1. Under normal circumstances, the 4S shop will advise the owner to clean it once every 20,000 kilometers. The situation is different for different models. The throttle of some cars is easy to get dirty, so it needs to be cleaned after driving for seven or eight thousand kilometers. 2. When the idle speed is unstable, it is necessary to consider cleaning. When starting the car, the engine makes noise or vibrates directly, indicating that the throttle valve is seriously blocked and needs to be cleaned in time. The hazards of not cleaning the throttle in time include: not cleaning the throttle for a long time will lead to the error of throttle opening, and air with impurities will enter the combustion chamber of the engine. These two results will lead to abnormal engine operation, mainly manifested in unstable idle speed, sudden feeling of throttle when driving, reduced power, and even difficult starting and increased fuel consumption.