Does the throttle need to be replaced?

As long as the throttle is not broken, there is generally no need to replace the vehicle, and the throttle can be checked and cleaned every 20,000 kilometers or so. Throttle is the valve that controls air to enter the engine, and it is one of the important parts of EFI engine. When the throttle valve fails, the vehicle will have the following symptoms: 1. Symptom 1: The car fault light is on. 2. Symptom 2: The car can't step on the accelerator when accelerating. 3. Symptom 3: The idle speed of the vehicle is abnormal, and the speed is high and low. 4. Symptom 4: The cold car of the vehicle is not easy to start. 5. Symptom 5: Abnormal vibration and abnormal noise of vehicle engine.