V8 Oxygen Sensor Questions

08V8

New member
I've done lots of searches here and come up with some great information but I just wanted to clarify a couple of things.

My dealer told me my 2008 V8 Forerunner needs both oxygen sensors on Bank 1 replaced (I've got all kinds of lights blinking on the dash and they came up with codes P0031, P0138, and P2195). I've read conflicting threads on whether Bank 1 is the drivers side or the passengers. Can anyone say for sure being that mine is the V8.

Also, I pulled the sensors on the driver side just to have a look.

The Denso number on the front sensor was 89467-71020 and the rear was 89465-35690. If anyone has any suggestions where to buy these other than the dealer, I'd appreciate it.

Thanks!
 
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Thanks for the link. Just ordered a front and a rear sensor. Now can anyone tell me for sure what side I should be changing, driver or passenger?

Thanks again!
 

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