Why does the air filter smoke?

When the air filter smokes, it shows that the throttle of the vehicle engine has too much carbon deposit, so it is necessary to clean the throttle of the vehicle engine, which can eliminate this problem. After the air filter of the vehicle is removed, the throttle valve is exposed; The specific operation steps of cleaning the throttle of automobile engine are as follows:

First, remove the air filter of the vehicle.

Second, after the air filter of the vehicle is removed, the door of the solar term is exposed.

Third, spray the accelerator cleaner into the accelerator and spray it several times repeatedly.

Fourth, spray the accelerator cleaner into the accelerator and brush it back and forth with a toothbrush.

5. After cleaning, wipe the inside with a paper towel.