天龙仪表盘出现Nox传感器故障

天龙仪表盘出现Nox传感器故障
2025-03-15 05:01:19
推荐回答(1个)
回答1:

氧传感器故障。检测数据流的氧传感器电压值是否正常,燃油修正状态的范围。如果加热器电阻丝烧蚀,更换加热器电阻丝即可。

汽车仪表盘指示灯中,有一部分指示灯作用并不是以往了解的作用,仪表盘也是故障灯,一旦亮起,也就表示相应的部位出现了故障异常,需要及时进行检修。

氧传感器作为电子控制燃油喷射系统的重要部件,对发动机正常运转和尾气排放的有效控制起着至关重要的作用,一旦氧传感器及其连接线路出现故障,不但会使排放超标,还会使发动机工况恶化,导致车辆出现怠速熄火、发动机运转失准、功率下降等症状。

扩展资料:

氧传感器注意事项:

1、新装或更换氧传感器时,均应校正氧分析仪的氧浓度显示值。不进行此项工作,更换新的传感器后,氧分析仪检测的氧浓度可能会与实际浓度产生偏差,从而影响测量。

2、在氧分析仪中对探头信号进行标定修正就是很必要的工作,否则显示氧浓度与实际被测气体的氧浓度就会存在较大偏差,满足不了现场生产的需要,甚至误导控制影响生产。

3、传感器避免接触有机溶剂、涂料、药剂、油类及高浓度气体。

参考资料来源:百度百科-氧传感器

参考资料来源:百度百科-仪表盘

参考资料来源:百度百科-东风天龙

参考资料来源:东风商用车官网-东风商用车

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