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Car engine smoke: Analyze the reason and okx.com loginsolve the problem. When we are driving, we suddenly see our vehicle emit black smoke, white smoke or blue smoke and make abnormal sounds. At this time, we should immediately realize that the vehicle is faulty and needs to be overhauled in time.In view of the smoke from the vehicle engine, this article will analyze the causes and propose solutions to the problem from the three different situations of black smoke, white smoke and blue smoke. I. Black smoke When we see the vehicle emitting black smoke while driving, it is generally caused by the incomplete combustion of the fuel. During driving, the vehicle needs to generate power by burning gasoline or diesel. However, if the combustion process is incomplete, black smoke will be produced. At this time, we need to check whether there are the following situations: 1. Poor air filter filtration: If the air filter is too dirty or malfunctions, it will lead to insufficient air flow. If the air flow is insufficient, the gas-fuel ratio will be low, and the combustion will be incomplete, resulting in black smoke. Two. Oil problem: If the quality of the oil used in the car is not good enough, or the oil is not added according to the standard, it is also prone to black smoke.3. Cylinder block wear: If the cylinder block wear of the car is serious, gasoline will enter the cylinder chamber. At this time, the combustion is incomplete, and it is easy to produce black smoke. II. White smoke When a large amount of white smoke is emitted when the car starts, this is generally caused by water vapor entering the cylinder chamber. When the cold air entering the cylinder chamber is mixed with the hot air, water vapor will be formed. At this time, we need to check whether there are the following conditions: 1. The cylinder head is not tightly sealed: High temperature and high pressure will occur during the operation of the car. If the cylinder head of the car is not tightly sealed, it will cause the mixture of cold air and hot gas to form water vapor. Two. The cylinder head is not tightly sealed: The cylinder head of the car is not tightly sealed, which is also the reason why water vapor enters the cylinder chamber. 3. Cylinder block wear: If the cylinder block of the car is seriously worn, gasoline will enter the cylinder chamber and form water vapor.III. Blue smoke emits blue smoke when the car is driving, which means that the car is burning engine oil. Oil can only play a role in lubricating and reducing cylinder wear when the cylinder block is working normally. If the oil is burned off, it will increase the wear of the cylinder block and affect the life of the vehicle. We need to check the following problems: 1. The piston is not tightly sealed: If the piston is not tightly sealed, it will cause too much oil to enter the cylinder chamber. Because the oil cannot be burned, it will lead to exhaust blue smoke. Two. The valve duct and valve seat are seriously aging: this is also the reason why the car exhausts blue smoke. If the valve duct and valve seat of the car are seriously aging, it will cause too much oil to enter the cylinder chamber. 3. Cylinder block wear: If the cylinder block of the car is seriously worn, it will also cause the oil to enter the cylinder chamber and form exhaust blue smoke.Conclusion In view of the smoke from the car engine, we need to carry out timely overhaul and maintenance. When the car emits black smoke, the air filter, oil quality and cylinder block wear should be checked. When the car emits white smoke, the cylinder head seal, cylinder head seal and cylinder block wear should be checked. When the car emits blue smoke, you should check the serious aging of the piston seal, valve duct and valve seat, and the wear of the cylinder block. Only timely overhaul and maintenance of the car can ensure the normal operation of the car.

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