After cleaning the throttle, the idle speed of Li Xia car is unstable.

After cleaning the throttle, the most direct manifestation of not re-matching is that the idle speed will be high and the idle speed will automatically increase. Some engines will increase the speed to 1500 r/min or even higher, with high fuel consumption and excessive emissions. The exhaust pipe will emit black smoke when accelerating.

After cleaning the throttle valve, the engines of the United States and Japan do not need to be matched again, and only need to 1rain to disconnect the negative electrode of the battery, so that the control unit loses its remaining memory and can return to normal.