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The OKX Wallet Sign upcar engine turns on the yellow light (the car engine fault warning light is on) When you are driving, you will feel very uneasy and worried when you suddenly see the yellow light of your car engine on. This is usually a car engine failure that needs to be repaired immediately. However, as the owner of the car, do you really know the meaning of this warning light and how to deal with it? So, here are some important knowledge and coping methods about the car engine fault warning light: What is the car engine fault warning light? The car engine fault warning light is usually a small yellow icon located in the center of the driver's dashboard. When the electronic control system of your vehicle detects a problem that may affect the health of the engine system, the warning light will turn on.These problems may include engine fire, oxygen sensor problems, vacuum wire problems, etc. Why does the car engine fault warning light up? Many problems may cause the car engine fault warning light to light up. Some of the most common problems include: 1. Engine fire: When the engine fires, it will not work properly, which may turn on the engine fault warning light. Two. Oxygen sensor failure: The oxygen sensor detects the ratio of fuel and air burned by the vehicle. If there is a problem with the detection of the probe, the system will not be able to correctly adjust the mixing ratio of the vehicle's fuel, resulting in the engine fault warning light. 3. Air flow meter failure: The airflow sensor measures the amount of air entering the engine. If the sensor does not work properly, the control module cannot accurately calculate the air intake, which will cause the fault light to light up.Four. Fuel pressure problem: The fuel pressure sensor tells the engine control module the fuel pressure level required by the engine. If the sensor cannot measure in the correct way, it may cause the warning light to light up. The above are only a small part of the problems that may cause the car engine failure warning light to light up. How to deal with the car engine fault warning light? Once your car's engine fault warning light comes on, you need to stop on the ground immediately and turn off the vehicle. Then, you can check whether it is easy to solve the problem, such as checking whether the fuel tank has enough fuel, whether the engine cover is locked, etc. If you can solve the problem, restart the car and check if the warning light has been turned off. If you can't solve the problem easily, you need to find a suitable vehicle repair shop to further inspect and repair your car.The severity of engine failure can be determined according to the diagnostic report, and sometimes a higher level of repair is needed to solve the problem. Don't underestimate the car engine fault warning light. If you ignore this problem, it will lead to more serious consequences and higher car repair costs. How to prevent car engine failure? If you want to minimize the risk of engine failure, you need to maintain your car regularly. Replace the oil filter, air filter, spark plug and other parts according to the recommended prescribed cycle to reduce the possibility of in-depth maintenance as much as possible. In addition, when your car has a minor problem, don't ignore it. Be sure to seek the help of professional repair staff and repair it in time. In a word, once you see the car engine fault warning light on, you need to be alert immediately and find the right way to solve the problem to ensure the normal operation of your car.In daily life, regular vehicle maintenance can also effectively prevent car engine failure, thus prolonging the service life of the car.

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