Your car has at least 2 o2 sensors

來源: iammadaboutu 於 2010-09-09 13:17:55 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (199 bytes)

There is one right under the hood and there is one on that pipe.
The one right under the hood normally dies first( on my cars any way).

For $400, He probably did not change your sensor..

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