What is the reason for the unstable idle speed of the old Reiz?

The idle speed of the old Reiz is unstable because there is too much sludge accumulated on the idle motor of the engine, so it is necessary to clean the idle motor of the engine, which can eliminate this problem. The specific operation steps for cleaning the engine idle motor are as follows:

1. Unplug the Reiz idle motor.

2. Unscrew the screw that fixes Reiz idle motor.

3. Remove the whole idle motor of Reiz and prepare for cleaning.

4. Spray accelerator cleaner along the circular hole of Reiz idle motor.

5. Brush back and forth with a long brush.

6. After brushing, pour out the accelerator cleaner in Reiz idle motor.

7. Just install the Reiz idle motor back to its original position.