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Engine fault sign on International trade knowledge base(vehicle fault: engine warning light on) With the continuous upgrading of automobile technology, vehicles are becoming more and more intelligent, and engine fault sign lighting has also become a common problem in modern cars. Once the engine fault sign lights up, car owners are usually annoyed, because this situation may be caused by a variety of reasons, and listen to my explanation for you in detail. I. When will the engine fault sign light up? When the vehicle breaks down, the control unit of the vehicle will sense the fault information and warn the driver through the engine failure sign. Depending on the different types of faults, the engine fault signs will also light up in different ways, such as flashing or always on. II. What causes the engine fault sign to light up?1. Engine failure. When there is a problem with the engine of the vehicle, the control unit will light up the engine fault sign to notify the driver. Engine failure may be caused by a variety of reasons, such as lack of oil, abnormal engine wear or other internal connector failures. Two. Automobile circuit problems. Circuit problems are also one of the common causes of engine failure. When the circuit fails, the engine control unit cannot work normally, causing the engine failure sign to light up. Circuit problems may be caused by insufficient battery power, line burnout or other circuit failures. 3. Sensor failure. The vehicle control unit will detect the status of internal parts through the sensor, such as engine temperature, speed, etc. If the sensor fails, the engine failure sign will light up.Sensor failures may be caused by aging, pollution or other adverse environmental factors. Four. Problems with the emission system. Another common reason is the problem of the emission system. When the exhaust system fails, the control unit will notify the driver through the engine fault sign. The problem of the exhaust system may be caused by the blockage of the exhaust pipe, the failure of the air flow sensor, etc. III. How to repair engine failure? Once the engine fault sign lights up, the driver should immediately stop and check the vehicle's machine, or take the vehicle to a professional car repair shop for inspection. The method of repairing engine failures also varies from model to model, which needs to be diagnosed through professional technology. Some simple faults can be solved by the driver himself, such as adding fuel, replacing engine oil, etc. Generally speaking, once launchedWhen the machine fault sign lights up, the driver should not ignore it. The problem should be investigated as soon as possible to prevent serious accidents. In addition, drivers should pay attention to their own safety during the maintenance process. If they are not familiar with the structure of the vehicle, they should contact professional repair personnel in time to solve the problem. In the case of vehicle failure, we should also pay attention to related issues such as warranty and maintenance. Timely handling of vehicle maintenance problems is also one of the effective ways to prevent engine failure. In a word, when our vehicle fault warning lights up, we should know that we need to check and solve the fault in time, which is very important. Vehicle maintenance is also an important key to preventing vehicle failures, and it is also a very effective way to know the condition of your car at any time.

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