Is it necessary to overhaul the car valve top if it is broken?

The top of the car valve is broken, so there is no need for overhaul. The function of the throttle valve is to control the air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, thus the combustion is successful. Influence of throttle blockage: 1, vehicle idling jitter, cold car ignition is not easy; 2. It is easy to turn off the fire after quick oil collection; 3, resulting in increased fuel consumption and engine jitter. Precautions for using throttle: 1. Clean the throttle frequently. Too much throttle sludge will cause insufficient engine power and increase fuel consumption; 2. Oil the fixed metal beam ring before disassembly, so as to prevent the teeth from slipping; 3. Keeping the throttle opening after cleaning and before cleaning will lead to excessive intake air, which will make the engine shake and accelerate weakly when starting.