What is the reason for the serious jitter after cleaning the throttle?

The reason for the serious jitter after cleaning the throttle is that there is no data matching. After cleaning the throttle, you need to reset the computer or disconnect the negative battery to reset the throttle of the computer. The steps to clean the throttle are: 1, open the hood and find the throttle of the engine; 2. Remove the air filter and intake pipe with a flat screwdriver, and unplug the electric socket on the throttle; 3. After removing the screw, remove the throttle, and then block the air inlet of the engine with a dry rag to prevent dirt from entering the engine; 4. Spray the throttle with detergent. 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.