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Cars are Top trade research databasesessential tools for our daily travel, and engine failure is one of the common problems of vehicles. Its appearance will lead to a decline in vehicle performance and even affect driving safety. If you find the car's engine fault light on, you don't have to be too nervous or panicked. Next, let's discuss how to deal with the car engine fault light. I. Check the reason why the engine fault light is on. After the engine fault light is on, you should first stop to check the condition of the vehicle and find the reason why the engine fault light is on. Generally speaking, the engine fault light of a car will turn on for the following reasons: 1. Engine warning light: In this case, the engine failsThe light turns on due to insufficient engine oil or insufficient oil pressure, insufficient engine coolant, wear of engine or transmission system parts, etc. Two. Emission system warning light: In this case, the engine fault light is turned on because there is a problem with the emission system, such as catalyst failure, oxygen sensor failure, etc. 3. Transmission fault light: In this case, the engine fault light is turned on because the transmission or automatic transmission has failed, such as damage to the clutch plate or clutch pressure plate, insufficient transmission oil, internal brake failure, etc. II. How to deal with the engine fault light 1. Stop observation When you find that the engine fault light is on, you should stop immediately, observe the condition of the vehicle and check whether there are any problems with the vehicle one by one. If the problem is not very serious, you can continue to drive, but you need to pay a little attention to the condition of the vehicle to prevent more serious accidents.Two. Check the engine. After the engine fault light is on, you need to check whether the engine is faulty. If you find that the car emits a strange smell, it may be that there is a problem with the catalyst and needs to be replaced in time. At the same time, it is also necessary to check whether the cooling system of the engine is normal, because if the coolant is insufficient or there is water leakage, it will cause the engine to overheat, which will cause serious consequences. 3. After the fault light of the circuit engine is on, you also need to check whether the circuit system of the vehicle is normal. If the circuit fails, it will cause the engine control system to fail to work properly, affecting the performance of the car and even causing hidden dangers. At this time, you can use a professional fault detector for testing. If you find any problems, you can repair or replace the faulty parts in time. Four. Find a professional repair shop for repair if it is found to exist.Serious failure, it is best not to drive the vehicle again, and you need to contact a professional repair shop for overhaul in time. Since the engine of the vehicle is a complex electromechanical system, we need to find a professional manufacturer to deal with it during maintenance, so as not to cause greater losses. How to avoid the engine fault light from turning on 1. Check engine oil. Engine oil is a very important lubricant in the process of engine operation. Its function is to reduce wear, reduce friction, and keep the engine interior clean. Therefore, during the use of the car, we need to regularly check whether the quality, oil level and oil pressure are normal, etc. Two. Checking the heat dissipation system, the heat dissipation system is an indispensable part of the operation of the car. If there is a problem with the heat dissipation system, it may cause the whole engine to overheat, seriously affecting driving safety. Therefore, in the process of using the car, often checkWhether the quality and quantity of coolant in the heat dissipation system are normal, and pay attention to check whether the radiator is clean to prevent failure. 3. Regular car maintenance is a very important part, which can effectively prevent engine failures and other situations. Therefore, when using a car, we need to carry out regular maintenance according to the maintenance manual of each vehicle to ensure its normal and stable operation. In summary, although there are certain hidden dangers when the fault light of the car engine is on, as long as we check it one by one and deal with it correctly, we can solve the problem in time and avoid unnecessary losses. Therefore, it is very necessary for car owners to understand the reason, respond correctly and maintain regularly, which are important means to avoid car breakdowns. At the same time, we should also pay attention to choosing a regular repair shop with high reputation for maintenance, so as to ensure the safety, stability and reliability of the car.

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