汽车故障码欧宝 P0140-00
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![](http://img.qcds.com/4a/66/4a66d9a6c06d68311119abe92db967e31596874253199.jpg)
![](http://img.qcds.com/1a/52/1a52e2a709f6984c81bd84b8149bc4d01596874481612.jpg)
![](http://oss.qcds.com/prod/image/20230503/a0b2f6b5f17abddeb4b4ec769ebffbc3.png?x-oss-process=image/resize,m_fill,h_200,w_200)
荣威威
4.9
/
已服务车主
7449
次
擅长:
![](https://img.baichebao.com/brands_api/166.png!half)
![](https://img.baichebao.com/brands_api/15.png!half)
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断开2号氧传感器的插头打开点火开关测量信号端子B和搭铁的电压应该在2.5到3伏之间,如果电压过低则检查传感器到电脑的这根信号线,信号线无开路或短路的情况的话就是电脑内部问题
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你好,我是汽车大师金牌技师-赵勃,很高兴为你解答。
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