How to clean the engine throttle?

The methods to clean the engine throttle are: 1, turn off the ignition switch and remove the negative electrode of the battery; 2. Dismantle the throttle pipe, the air inlet hose and the screw for fixing the throttle valve in turn; 3. Clean the throttle with cleaning agent, and wipe the parts that cannot be cleaned with cotton thread. The matching method after cleaning the engine throttle is: 1, cut off the throttle fuse or cut off the negative electrode of the battery; Step on the brake and hold it for a few minutes. Throttle is a controllable valve that controls air to enter the engine. Its function is to control the air to enter the engine, and the gas will be mixed with gasoline into a combustible mixture after entering the intake pipe, so that the combustion is successful.