OBDII code to part number cross reference - Toyota Nation Forum : Toyota Car and Truck Forums
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post #1 of 7 Old 05-14-2019, 01:15 PM Thread Starter
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OBDII code to part number cross reference

I've been searching for a couple of days to find the denso part number for bank1 sensor2 for my 2011 Rav4. I can find no cross reference anywhere. Denso specifies downstream left or downstream right. I found an exploded view of my V6 engine but can't tell if my sensor is left or right. It seems to be in the center of the vehicle in the exhaust pipe. So show me in writing somewhere on the net how to determine whether to purchase downstream left or downstream right Denso sensor.
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post #2 of 7 Old 05-14-2019, 08:00 PM
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"So show me in writing somewhere on the net how to determine whether to purchase downstream left or downstream right Denso sensor."
Try rockauto.com. Believe Bank 1 is the right side ( side of engine nearest firewall).



Are you having check engine light/error code?
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post #3 of 7 Old 05-14-2019, 10:01 PM
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Bank 1 sensor 2 is downstream of the cat. Post the error code it’s throwing and we’d be happy to confirm which one it is.

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post #4 of 7 Old 05-14-2019, 10:07 PM Thread Starter
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OK, just ran obd again and got this -



P0137 - Powertrain
O2 Sensor Circuit Low Voltage
Bank 1 Sensor 2


Yes I have the engine drawing and bank 1 is closet to the firewall but this left and right is not logical to me. So your saying the center point reference for left or right is between the two cylinder banks? If yes, then what side of the car are you looking from, drivers side or passenger side?



I'm using post 2 image from this thread - https://www.toyotanation.com/forum/1...nder-6-v6.html

Last edited by tyee; 05-14-2019 at 10:22 PM.
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post #5 of 7 Old 05-14-2019, 10:41 PM
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Ah, OK. That’s definitely the downstream sensor. Looking in Denso’s online catalog here, there are two downstream sensors, one “left” (p/n 234-4261) and one “right” (p/n 234-4501), so you need the one for the “right” bank. They’re usually the same sensor but with different length cables.

The right Vs left naming convention goes back to rear wheel drive cars, where the front of the engine had the accessories mounted on it, and left and right were as if you’re sitting in the driver’s seat. So in an application with the engine mounted sideways, it’s understandably confusing.

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post #6 of 7 Old 05-14-2019, 11:09 PM Thread Starter
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Ok, thanks. If I order from rockauto do I get charged duty and taxes? Are they good to deal with? I see amazon.ca is $9 more.
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post #7 of 7 Old 05-14-2019, 11:23 PM
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I’ve had nothing but good experiences buying from Rockauto. I have no idea about duty and taxes for you though. Amazon is solid too, but be careful who the seller is. There are counterfeits out there. Make sure the seller is “Denso”. Not “Joe’s A1 auto parts” or something weird like that.

2015 RAV4 Limited, AWD, tech pkg, Barcelona red metallic, 62k miles
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