Can you spray directly without removing the throttle when cleaning?

Direct injection is also acceptable. The throttle is still disassembled and cleaned. Direct injection may not be clean without disassembly.

As for how often it is cleaned, it is determined by many aspects. Such as the driving environment of the vehicle and the control mode of the EFI engine.

If the vehicle works in a polluted environment, impurities will accumulate on the accelerator quickly, which will affect the intake of the engine for a long time, so it needs to be cleaned.

Extended data

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, and the combustion is successful.

Throttle four-stroke gasoline engines are generally like this. Throttle is one of the most important components in EFI automobile engine system. Its upper part is the air cleaner grille, and the lower part is the engine body, which is the throat of the automobile engine.

Whether the acceleration of a car is flexible or not has a lot to do with the dirt of the throttle. Cleaning the throttle can reduce fuel consumption and make the engine flexible and energetic. Whether the throttle should be removed for cleaning is also the focus of discussion among car owners.

Reference throttle _ Baidu Encyclopedia