我理解即使你更換了3元催化也會在很短時間裏，check engine燈又會亮了。因為發動機已經開始出狀況了。

來源: 我愛北京大前門於 2019-06-26 22:42:53 [舊帖] [給我悄悄話] 本文已被閱讀：次

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