oxygen sensor query
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Driver School Candidate
Joined: Jan 2009
Posts: 7
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From: wa
oxygen sensor query
Greetings all-
2001 LX470.
I have the CEL on and Autoszone read PO155- Bank 2 Sensor 1.
A few questions:
On the only other 2 sensor vehicle I had (no, not 4 like the LX) I did both sensors when the first faulted..... just to cover my bases. Anyone do all 4 on the LX?
If I opt to do only the one, which Bank 2 Sensor 1? I am guessing before the cat, but not sure which side.
Thanks!
D
2001 LX470.
I have the CEL on and Autoszone read PO155- Bank 2 Sensor 1.
A few questions:
On the only other 2 sensor vehicle I had (no, not 4 like the LX) I did both sensors when the first faulted..... just to cover my bases. Anyone do all 4 on the LX?
If I opt to do only the one, which Bank 2 Sensor 1? I am guessing before the cat, but not sure which side.
Thanks!
D
Lexus Champion
Joined: Feb 2007
Posts: 2,489
Likes: 4
From: Lou-Evil KY
sensor 1 is always b efore the cat. sensor 2 is after it.
bank 1 is passenger side, bank 2 is drivers side cyl. bank.
therefore, all you need to do is replace the pass. side 02 swensor before the cat.
bank 1 is passenger side, bank 2 is drivers side cyl. bank.
therefore, all you need to do is replace the pass. side 02 swensor before the cat.
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