Location of oxygen sensor

Hello,

Here is a guide to help you see what you are in for when doing the job.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Here are the locations of each oxygen sensor both bank 1 and 2 upstream and downstream sensors.

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken