Why does the car shake after cleaning the throttle body?

[DeIsabelle]

Shaking after cleaning the throttle body is a normal phenomenon. Here is an introduction about the throttle body: 1. Most modern cars use electronic throttle bodies, which are very precise in control. Once the power is disconnected, they lose their matching values. Without these values, the electronic throttle body will initiate a self-learning process. However, the speed of this self-learning depends on the control logic and the type of control sensor used. 2. Most of the time, the learning process is slow, which is why the car may shake or even fail to start immediately after cleaning. Precautions: 1. After cleaning, ensure proper installation to avoid any folds in the sealing gasket that could cause air leaks. Reconnect the negative terminal of the battery. Match the vehicle's electrical components. 2. The throttle body cannot effectively determine the minimum airflow position, but it can determine the maximum opening position. In idle conditions, rapidly pressing the accelerator pedal a few times will help the throttle body gradually determine the optimal idle opening. The engine will slowly stabilize its RPM, and further precise learning will occur during subsequent driving.