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Causes and International trade database customizationcountermeasures of engine high temperature Engine high temperature is one of the common problems of automobile engines. There may be many reasons for engine high temperature, mainly including improper adjustment of fuel mixing ratio, cooling system failure, engine Insufficient oil or pollution, etc. High temperature will lead to serious problems such as engine performance degradation, engine life reduction, oil heat increase, oil viscosity, etc. Therefore, timely detection and elimination of engine high temperature problems is an important link in car maintenance.I. Improper adjustment of the fuel mixing ratio. Improper adjustment of the fuel mixing ratio refers to the inappropriate or improper adjustment of the air-fuel ratio (the ratio of air to fuel), resulting in an increase in the operating temperature of the engine. The engine injection system is a very important part of the engine control system, which is responsible for injecting fuel during the operation of the vehicle. During the work process, if it is found through testing that the quality of the air is not enough to completely burn the fuel, the amount of fuel inhaled must be increased to work properly. However, after too much fuel enters the engine, it will not only not burn completely, but also increase the amount of fuel injection, resulting in excessive operating temperature of the engine. Therefore, when adjusting the fuel mixing ratio of the engine, it must be adjusted according to the specific model of the engine to avoid the problem of engine temperature caused by improper adjustment. Countermeasures: The problem of engine overheating can be alleviated by adjusting the air-fuel ratio of the car.The air-fuel ratio should be set according to the model and year of the vehicle to ensure the normal operation of the engine. The real solution to the problem is to let the electronic control module of the car self-learn and automatically adjust the amount of refueling and the mixing ratio of the air of the car according to the working condition of the car. In addition, it should be noted that the correct type of fuel should be selected every time you refuel and the amount of fuel should not be too much. II. Another main reason for the failure of the cooling system is the high temperature of the engine. The main function of the cooling system is to keep the engine within the appropriate operating temperature range. If the cooling system fails, components such as cooling pumps, water tanks or radiators may be damaged or may not work properly, resulting in high temperature in the engine. Countermeasures: The radiator, cooling water tank, cooling channel, etc. should be cleaned regularly to ensure the normal heat dissipation of the engine, and the cooling water should be replaced at the same time to ensure that its cooling effect is good.In addition, when heating or no hot water is found under the cooling water, the faulty components should be replaced in time to prevent the heat from being discharged normally and causing the engine to be high temperature. III. Insufficient engine oil or polluted engine oil is not only responsible for lubricating various parts inside the engine during engine operation, but also an important factor in engine heat dissipation. If the engine oil is reduced or used for a long time, it will increase friction and resistance, making the engine temperature higher. Countermeasures: Regularly check and replace engine oil and oil filters to ensure that the total amount of engine oil is sufficient and the quality of oil meets the standard. When replacing engine oil, it is necessary to always pay attention to reduce oil leakage or oil consumption, and try to ensure that the quality and capacity of engine oil meet the requirements. IV. Driving at too fast or continuously. When the vehicle is driving at too fast, it will increase the load and increase the working load of the engine.If the vehicle runs continuously for a long time, it may increase the speed of engine wear and lead to a high temperature in the engine. Countermeasures: limit the speed, reduce the engine workload, and avoid the engine temperature. For vehicles that run continuously for a long time, timely rest and maintenance checks should be carried out to ensure the normal operation of the engine. The problem of engine high temperature may not have much impact on the vehicle in the short term, but the long-term high temperature problem will shorten the life of the engine and increase the maintenance cost. Therefore, it is necessary to pay attention to the high temperature of the engine, reasonably adjust the fuel mixing ratio of the engine, ensure the normal operation of the cooling system, meet the operating temperature and cooling requirements of the engine, and regularly replace the engine oil and maintain the inspection. Only in this way can the service life of the engine be extended and the efficiency of the car be improved.

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