What is the reason why the car doesn't idle?

Pacific Auto Network 1, the spark plug has not been maintained for a long time, and there is too much dirt on the surface, which is not caused by the replacement of 30 thousand kilometers. 2. The fuel injector and throttle valve are not cleaned and maintained. 3. There is too much sludge in the engine, or too much carbon deposit when driving at low speed for a long time, and the oil and machine filter are not replaced in time. 4. The poor oil circuit may also cause unstable idle speed, and these problems will also occur when the famous brand gas station refuels for a long time or changes the gasoline filter irregularly.

First, the car is dangerous at the traffic lights because the idle speed is unstable.

Second, cars are prone to friction when they encounter traffic jams.

The reasons for the unstable idle speed of the car are as follows: First, the fuel quality is poor. According to market research, most domestic car owners have unstable idle speed, which is related to poor fuel quality. As long as the owner can clear the "throttle" in time, he can basically eliminate common problems. When the "idle speed" unstable fault cannot be solved after cleaning the accelerator, it is necessary to go to a professional repair shop for a comprehensive inspection to avoid various faults affecting the normal use of the car.

Second, there are bad driving habits. If the owner has a lot of bad driving behavior while driving, the running stability of the car will inevitably be affected after using the car for more than two years. Because all kinds of driving habits directly affect the service life of a car, basically, the faults of a car are related to the driving mode. Can develop good driving habits, that is, avoid all kinds of failures, effectively extend the service life of the car, avoid car failures, resulting in increased use costs.