拔掉氧传感器插头汽车仪表盘上还会显示故障码吗?

2025-03-17 22:32:11
推荐回答(4个)
回答1:

会的,不过不会显示故障码,而是黄色的发动机故障灯亮。氧传感器是排气氧传感器(Exhaust Gas Oxygen Sensor,EGOS)的简称,其功用是通过监测排气中氧离子的含量来获得混合气的空燃比信号,并将该信号转变为电信号输入ECU。ECU根据氧传感器信号,对喷油时间进行修正,实现空燃比反馈控制(闭环控制),从而将过量空气系数λ控制在0.98~1.02范围内[空燃比(A/F)约为14.7],使发动机得到最佳浓度的混合气,从而达到降低有害气体的排放量和节约燃油的目的。

回答2:

你好,会的。因为氧传感是由ECU直接控制的,当你拔掉的时候,会在ecu里记忆一个故障码。仪表盘上也会显示。希望能够帮到您。如有疑问,请采纳后继续追问。谢谢

回答3:

您好,汽车管家团队为你解答
肯定会显示,当你拔了之后,电脑板马上检测不到尾气排放,然后马上给个信号给仪表,使故障灯亮,所以拔了会亮灯的

回答4:

当然

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