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再支一招检测三元催化转化器是否堵塞,除分析数据流、测量排气背压外,还有一种更简单的判断方法,可以拆下氧传感器(空燃比传感器)进行路试,如果故障症状有所减轻,则可以进一步检查三元催化转化器是否堵塞。
In addition to analyzing the data flow and measuring the exhaust back pressure, there is a simpler way to judge whether the three-way catalytic converter is blocked or not. The oxygen sensor (air-fuel ratio sensor) can be removed for road test. If the fault Symptoms have been alleviated, you can further check whether the three-way catalytic converter clogging.