This place is the exhaust pipe. The exhaust pipe is installed at the rear of the car. It is specially used to exhaust the exhaust gas after the fuel combustion. This part is important. But how to see the engine performance through the exhaust pipe, many people are still very strange.

How to identify engine performance by looking at the exhaust pipe?

Answer: the normal dripping exhaust pipe indicates that there is no problem with the engine.

Because gasoline belongs to hydrocarbon and organic compounds, when gasoline and oxygen in the air are burned, sulfur dioxide, nitrogen oxides, carbon dioxide and water can be produced. Therefore, the water in automobile exhaust pipe is produced by combustion of gasoline and oxygen.

When the outside temperature becomes lower, the water vapor in the tail gas will be cooled to form water, which will be condensed to form water and then discharged through the exhaust pipe. This proves that your car burns enough to get rid of water.

That is to say, it is normal for the exhaust pipe to discharge water, and it proves that your car is healthy.

How long is the exhaust pipe life?

You can take a look at the shape of the exhaust pipe below. Because the structure of the exhaust pipe is designed to eliminate noise, it is easy to store part of the water that cannot be discharged.

Therefore, the structural problems of the exhaust pipe are most likely to cause part of the water can not be discharged, so the service life of the exhaust pipe will be reduced (water corrosion, rust) and sometimes there will be "sudden sound". At this time, the water in the exhaust pipe may not be discharged due to too much water.

Some car owners will make a "hole" under the exhaust pipe to automatically drain the water, but due to this problem, now some models will design a drain hole below when they leave the factory.

I suggest: the hole drilling method is advisable, so that some water residues can be avoided and eliminated automatically. Or every time you drive for a period of time or thousands of kilometers (especially when there are many vehicles driving in the urban area), you can find a 45 degree slope to stop the car and close the handbrake: blow the accelerator back and forth to drain water, then you will find that there will be a lot of water in your exhaust pipe to drain, which can extend the life of the exhaust pipe and completely drain part of the remaining water.