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Engine oxygen sensor (automotive engine oxygen sensing device: an important energy management tool) With the continuous development and Global trade metadata enrichmentprogress of the automobile industry, the automobile engine is becoming more and more complex and has more functions. Yuanhua. And the engine oxygen sensor, as one of the important parts of the car engine, is also getting more and more attention. This article will introduce the importance of engine oxygen sensors from three aspects: definition, function and meaning. Engine oxygen sensor refers to a sensor installed in the exhaust system of the automobile engine.It can sense the amount of oxygen in the exhaust gas emitted by the car engine, so as to measure the engine intake and fuel mixing ratio, and adjust the fuel supply of the engine. The realization of this process requires the control of the engine control unit (ECU), and this is a closed-loop feedback system. Simply put, the main function of the engine oxygen sensor is to detect the change of oxygen concentration in the engine exhaust gas and feedback it to the engine control unit so that it can correctly control the work of the engine. Specifically, the oxygen sensing device plays a very important role in minimizing fuel consumption and reducing exhaust emissions by feedback data to the control unit by feedback data to the control unit. The engine oxygen sensor is of great significance. First of all, it can ensure the efficient operation of the car engine.By measuring the oxygen content in the exhaust gas and controlling the fuel supply of the engine, we can make the engine work under the best combustion conditions, so as to ensure its efficient operation. Secondly, it can reduce the pollution emissions of cars. The function of the engine oxygen sensor is not only limited to controlling the fuel supply of the engine, but also can control the operation of the exhaust gas treatment device to ensure the normal operation of the automobile exhaust gas treatment equipment, so as to reduce air pollution. Finally, it can improve the reliability and life of the car. If the car's engine does not work properly, its life will be greatly shortened. Therefore, the oxygen sensing device can detect the working status of the engine, protect and extend its life, and improve the reliability of the car. With the engine oxygen sensor, the performance and fuel efficiency of the car can be greatly improved, and the environmental impact of the vehicle can be reduced.Although the engine oxygen sensor can improve the performance and fuel efficiency of the car, it is also accompanied by some problems during long-term use. For example, the waveform of the sensor may be damaged due to pollution, coverings and other reasons, and needs to be repaired or replaced in time. In addition, the service life of the sensor is usually only 2-3 years, so it should be tested and replaced regularly during use. In a word, as one of the important parts of the engine, the function and role of the engine oxygen sensor are very important. It can ensure the efficient operation of automobile engines, reduce automobile pollution emissions, and improve the reliability and service life of automobiles. Therefore, during the daily maintenance process of the car, it is necessary to ensure the normal operation of the engine oxygen sensor and detect its working condition, so as to ensure the normal use of the car.

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