2,換汽油濾芯,檢查vacuum line,大多是因為車老,vacuum line 也隨著變老,該換的就換吧
3 O2 SENSOR 不一定壞了,因為vacuum line 漏氣,導致O2 sensor 的功能失調
good luck
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thank you so much for your reply. appreciate.
-lvxxx-
♂
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03/25/2009 postreply
20:21:40