What is the reason why the idling state jitter and refueling return to normal?

Idle state jitter, refueling back to normal. This situation shows that the idle motor of the vehicle is caused by too much sludge and needs to be cleaned. After cleaning the idle motor, this problem can be eliminated. The specific operation steps for cleaning the idling motor are as follows:

1. Unplug the car idle motor.

2. Unscrew the screw that fixes the idling motor of the car.

3. Dismantle the whole idling motor of the car and prepare for cleaning.

4. Prepare a bottle of special accelerator cleaner.

5. Spray the accelerator cleaner along the circular hole of the automobile idle motor.

6. Brush back and forth with a long brush.

7. After brushing, pour out the accelerator cleaner in the idle motor of the car.

8. Just install the car idle motor back to its original position.