What is the reason for the car retrogression after cleaning the accelerator?

The owner also cleaned the accelerator of the vehicle when maintaining the vehicle, but found that the vehicle had a sense of frustration after cleaning. What is the reason for the setback after cleaning the throttle? 1, some vehicles have memory function, the throttle opening just cleaned will change, and there will be some discomfort in the car, and this kind of problem will not occur after the vehicle is driven for a period of time. 2. If the vehicle is equipped with an electronic throttle, computer matching is needed after cleaning the throttle. If you forget to do computer matching, the vehicle will be frustrated and fuel consumption will increase. The owner needs to do computer matching in 4 S. 3. It may be that the throttle position sensor is damaged, and the data of throttle opening cannot be transmitted to the computer correctly, so it is necessary to replace the throttle position sensor in time. 4. If the vehicle is still frustrated after cleaning the throttle, the cause of the vehicle frustration may not be the throttle. The owner can further check the spark plug of the vehicle, which may be a problem with the spark plug of the vehicle.