now I am 80% sure. there is a leaking before bank1 sensor1.

來源: 於 2011-06-02 12:49:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

Never work on corrola. donot know how many O2 sensors there. 2 OR 3?

Anyway the leaking should be between engine and first O2 sensor.