both cats need replacement. all O2sensors are good. 回复:前几天的问题, O

specification reading for downstream Oxygen sensor (rear O2 sensor ) should be close to 450 mv sin shaped waveform ( normal spec. 420-480mv ) if converter is good ( efficient ).

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谢谢, 看来是躲不过去了, 只好换CATS了.最担心就是这样的结果. -我胡说八道- 给 我胡说八道 发送悄悄话 (0 bytes) () 10/11/2009 postreply 20:24:37

make sure all are good before cats be replaced. -fixanycars- 给 fixanycars 发送悄悄话 fixanycars 的博客首页 (280 bytes) () 10/11/2009 postreply 21:32:24

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