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汽车传感器故障因为什么原因?

来源:http://www.jnrunao.com/ 日期:2021-09-14 发布人:runao
如今汽车已经成为人们生活的必须品了,而且现在汽车在我国的保有量也是非常庞大的,那么自然现在对于汽车当中的一些知识点也成为了一大热门,那么今天小编就来给大家针对汽车传感器故障因为什么原因来进行一个介绍以便大家能够更了解到汽车相关的一些知识。
Nowadays, cars have become a necessity for people's life, and the number of cars in China is also very large. Naturally, some knowledge points about cars have become a hot topic, So today, Xiaobian will give you an introduction to the causes of vehicle sensor failure, so that you can better understand some knowledge related to vehicles.
氧传感器的常见的故障是失效,其原因主要有两种:一种是被炭粒堵塞,此时氧传感器的信号电压会偏高,发动机电脑会因此发出减少喷油量的指令,使混合气过稀;二种是尘土和机油堵塞氧传感器与大气的通孔,此时氧传感器的信号电压会偏低,发动机电压又会指示喷油器多喷油,引起混合气过浓。
The common fault of the oxygen sensor is failure. There are two main reasons: one is blocked by carbon particles. At this time, the signal voltage of the oxygen sensor will be high, and the engine computer will send a command to reduce the fuel injection quantity, so that the mixture is too thin; The second is that dust and oil block the through hole between the oxygen sensor and the atmosphere. At this time, the signal voltage of the oxygen sensor will be low, and the engine voltage will indicate that the fuel injector injects more fuel, resulting in too rich mixture.
氧传感器是作为电子控制燃油喷射发动机的重要部件,一旦失效,不但会使得排放超标,还会使得发动机工作状况恶化。
Oxygen sensor is an important component of electronically controlled fuel injection engine. Once it fails, it will not only exceed the emission standard, but also worsen the working condition of the engine.
氧传感器故障的原因:
Cause of oxygen sensor failure:
一、可能的原因:
1、 Possible causes:
1、主要的就是注意燃油品质,尽量不要去小的加油站加油,尤其是高速服务区。
1. The main thing is to pay attention to fuel quality and try not to go to small gas stations, especially high-speed service areas.
2、检查火花塞及点火线圈工作电压是否正常。
2. Check whether the working voltage of spark plug and ignition coil is normal.
3、检查三元催化是否工作良好,有无堵塞情况。
3. Check whether the three-way catalyst works well and whether it is blocked.
二、氧传感器一旦出现故障,就会导致电子燃油喷射系统的电脑不能得到排气管中氧浓度的信息,因而不能对空燃比进行反馈控制,会使发动机油耗和排气污染增加,发动机出现怠速不稳、缺火、喘振等故障现象。因此,氧传感器坏了以后要尽快的更换或维修
2、 Once the oxygen sensor fails, the computer of the electronic fuel injection system will not get the information of oxygen concentration in the exhaust pipe, so the air-fuel ratio cannot be feedback controlled, which will increase the engine fuel consumption and exhaust pollution, and the engine will have faults such as unstable idle speed, misfire, surge and so on. Therefore, replace or repair the oxygen sensor as soon as possible after it is broken
此文关键词: 济南奥迪专修  

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