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What's wrong with the engine light?DigiPlus stock How to deal with the car engine failure and the light on? During driving, if you find that the car's engine light is on, it means that there is something wrong with the car's engine. This is not a good thing, because if you don't deal with it in time, the engine problem will become more and more serious, which may lead to a car stop or even a major accident. Next, we will introduce in detail the reason why the engine light is on and how to deal with it. I: The reason why the engine light is on. When there are some problems with your car engine, the engine control unit (ECU) will automatically detect and send a signal to make the engine light on.In most cases, the engine light on means that there is a problem with one or more systems in the car, including the engine, exhaust, fuel tank, etc. The following are the possibilities of several failures: 1. Air flow meter (MAF) problem Air flow meter is a very important component, which can measure the amount of air entering the engine. When there is a problem with the air flow meter, the ECU will detect the problem and send a signal to turn on the engine light. Two. Oxygen sensor (O2 sensor) problem Oxygen sensor can measure the oxygen content in the discharge. When there is a problem with the O2 sensor, the ECU will detect the problem and send a signal to turn on the engine light. 3. Throttle volume controller (TPMS) problem TPMS can measure the position and angle of the throttle valve, so as to maintain the energy saving and performance of the car.When there is a problem with TPMS, the ECU will detect the problem and send a signal to turn on the engine light. Four. Ignition coil problem Ignition coil is one of the most important parts in the ignition system. When there is a problem with the ignition coil, the ECU will detect the problem and send a signal to turn on the engine light. 5. Oil pressure problem Oil is necessary for the normal operation of the engine, and the normal change of its pressure can effectively lubricate and protect the engine. When the oil pressure is low or abnormal, the ECU will detect the problem and send a signal to turn on the engine light. Second: How to deal with the engine light when the engine light is on, it must be dealt with immediately. The following is the handling method: 1. The first step to check whether there is a problem with the engine parts is to check whether there is a problem with the engine parts. If you are a person with experienceThe inspection technicians can check by themselves, otherwise the car can be sent to a professional repair station for maintenance. Two. Reset the engine light. If you are sure that there is no problem, you can reset the engine light to see if it will turn on again. When there is no problem, the ECU will automatically end the warning state, and the light will automatically turn off, otherwise the light will remain on. 3. Replacement parts If a fault or problem is found after checking the engine parts, you need to follow the advice of professional technicians and replace the matching parts with the material or brand agent of the certified parts equipment. Four. Pay attention to maintenance and cleaning. In addition to solving existing problems, regular maintenance and cleaning are also the key to maintaining the good operation of the car. Pay attention to cleaning and maintaining fuel tanks, brakes, friction pads, antifreeze and other maintenance accessories. Replace the oil and air filter regularly to ensure the lubrication of the engine.In a word, when the car engine light is on, it must be dealt with in time. By checking auto parts, resetting engine lights, replacing accessories, and regular maintenance and cleaning, you can keep the car in good operation and avoid some problems in the future. If you are not sure how to deal with it, it is better to send the car to a professional repair station for maintenance to avoid mistakes. During the operation of the car, you must deal with this situation calmly to ensure your own safety and the safety of the car.

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