Traditional Culture Encyclopedia - The 24 Solar Terms - Leading 1.6 it is difficult to start a cold car, and a hot car will hit it as soon as it hits.
Leading 1.6 it is difficult to start a cold car, and a hot car will hit it as soon as it hits.
There are two most likely reasons, one is that the car has carbon deposits, and the other is that the battery has insufficient storage capacity and its life is coming soon. Let's talk about carbon deposition first. There are a lot of carbon deposits in the cylinder and on the intake valve. During ignition, carbon deposit will absorb a part of gasoline vapor, which will reduce the concentration of mixed gas and make it difficult to start. Keep the ignition on, spray more oil, or hit it two or three times. When the vehicle is cold-started, it needs a rich mixture. If it is in a rich state, it is more beneficial for the vehicle to spray more gasoline when starting.
If there is carbon deposit at the throttle, the carbon deposit will block some intake passages, which will lead to insufficient intake and insufficient fuel injection, and also lead to poor ignition. How should we judge whether it is caused by carbon deposition? First consider the number of kilometers. If it is difficult to strike a fire after thousands of kilometers, it is generally not caused by carbon deposition and can be ruled out. If it is more than 30,000 to 50,000 kilometers and it has not been cleaned, the problem of carbon deposition should be considered. First, eliminate the carbon deposit on the accelerator, and step on the accelerator repeatedly while lighting the fire. If the engine starts smoothly, the throttle is more likely to deposit carbon. If the fault remains, it will still be called several times to see the running state of the engine after the fire. If the vibration is serious, the exhaust pipe suddenly sounds, which is caused by more carbon deposition in the cylinder. If it runs smoothly after the fire, find other reasons.
Let's talk about batteries. The storage capacity of the battery is closely related to the temperature. The lower the temperature, the worse the performance of the battery. Many cars' batteries are well used in summer, but they won't catch fire in winter, indicating that the battery life is up and needs to be replaced. When the storage capacity is low, the starter will not run and the ignition will not be smooth. In fact, it is easier to judge whether the starter is running or not, and it is easier to hear. The voice is very different from usual. Usually it will click twice and then click. At this time, the voice is low and the speed is slow, and the driver can feel it.
The reasons related to temperature are not easy to start, and the above two situations are more common. Experienced drivers can roughly judge the cause of the fault by themselves, and it is easier to maintain. Of course, there are other reasons for the poor start, such as the spark plug needs to be replaced, the gasoline pump is broken, the pressure cannot be maintained, the nozzle is broken, and some sensors are broken. These fiber cleaning systems have little to do with temperature. No matter how high or low the temperature is, they all break down, which will make it difficult to start. Because it happens when the temperature is low, look for the most likely one first. Generally, carbon deposits and battery problems have the highest probability and are the easiest to judge and eliminate. If there is a bad beginning, it will be easier to rule out these two items first, and then find other reasons and rule them out one by one.
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