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#1 (permalink) Old 09-02-2012, 06:07 PM
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Bank 1 , Sensor 2: Oxygen Sensor question...

OBDII scanned my Rav4... code was P0137 - Faulty heated oxygen sensor, (bank 1, sensor 2)

I'm more or less looking for confirmation from anyone who is both confident, and knowledgeable about Toyota issues, before I order the $174 part.

I deduct from the diagram below that bank 1, sensor 2 is located right before cat:



and this part, based from the description, would be correct:



Sensor List: Oxygen Sensor | 2007 Toyota RAV4 2WD 4 Cylinders D 2.4L SFI DOHC | AutoZone.com

Do I sound like I'm on the right track?

Many thanks in advance!

Seems straight fwd to me.... my only concern was reading posts on this forum and saw that some people commented that the bank 1 sensor 2 was located AFTER the cat. Though, that may have been an older model Rav?

Thank you for any help that is provided!!
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#2 (permalink) Old 09-02-2012, 06:39 PM
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Don't you have a 2AZ-FE rather than a 2AZ-FE PZEV? I expect you have 2 sensors in 1 bank rather than 3 sensors in 1 bank.

2009 V6 4wd Base

Last edited by Carbon; 09-03-2012 at 12:57 PM. Reason: Correction... 2AZ-FE in RAV4 has only one bank.
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#3 (permalink) Old 09-02-2012, 06:53 PM
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Don't you have a 2AZ-FE rather than a 2AZ-FE PZEV? I expect you have 4 sensors in two banks rather than 3 sensors in 1 bank.
ahh crap. Well that is obvious to me now.... after really looking at the diagram. ....geez. The other diagrams in that PDF didn't have actual locations for the sensors, at least that I saw.

So I'm thinking bank 1, sensor 2 is behind the cat then?
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#4 (permalink) Old 09-02-2012, 07:04 PM
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Quote:
Originally Posted by cornflakes View Post
So I'm thinking bank 1, sensor 2 is behind the cat then?
Yes, behind the bank-1 cat.

PCEV is Partial Zero-Emissions Vehicle
Partial zero-emissions vehicle - Wikipedia, the free encyclopedia

2009 V6 4wd Base
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#5 (permalink) Old 09-03-2012, 10:21 AM
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Yes, behind the bank-1 cat.

PCEV is Partial Zero-Emissions Vehicle
Partial zero-emissions vehicle - Wikipedia, the free encyclopedia
Thank you for pointing out my obvious blunder!! Glad I didn't buy the wrong snesor.

Just found this post, don't know how I missed it.

Oxygen Sensor (Rear) changed for 2.4L I4
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