What's the matter with the unstable idle speed and direct flameout after the car starts?

What happened when the idle speed of the starting car was not enough? There are many reasons that lead to insufficient idle speed and easy flameout when starting, mainly including serious carbon deposition in throttle, blocked oil circuit, low fuel quality and serious spark plug wear. 1. Serious carbon deposition on throttle: When the carbon deposition on throttle is serious, it will affect the normal combustion of fuel, which will lead to the problem of low idle speed of automobile engine and easy flameout. In this case, it is necessary to clean up the carbon deposit on the accelerator in time, usually every 5000 kilometers. 2. The oil circuit is blocked: the reason why the oil circuit is blocked and idling is not easy to turn off is similar to the principle of serious carbon deposition in the throttle, which needs to be cleaned in time. 3. Low fuel quality: When the fuel quality added to the vehicle is too low or mixed with different kinds of fuel, the idle speed will be too low, and it will be easy to stall or even fail to start. In this case, it is necessary to add the same type of advanced fuel. 4. The spark plug is seriously worn: the spark plug belongs to the ignition system of the automobile. When the spark plug is seriously worn, it will affect the ignition of the car, leading to the problem that the car is difficult to start or easy to stall after starting. In this case, please replace the spark plugs with new ones.