1: 老车没有ODB II的要这样查尾气的(前天刚干这事),只要灯灭,尾气不超标就能过,当然如果问题严重即使灯不亮可能也超标,Fail!
5-6年前曾有一次在我中国,LD在家要验车,告诉我CEL亮了,就是断电马上去检,等验完回家的路上说又亮了,反正过了尾气检查,等回来后换了个下游O2就好了到现在



2: 有ODB II端口并需要用端口检测的,即使暂时灭灯,故障码据说还是会储存一段时间在车载电脑了,如果是尾气相关的,虽然灯是灭的,但还是过不了.
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