location of all O2 sensors needed

Hello, I'm Danny.

Here is the information you requested. This is a tutorial for you to view on how to replace an oxygen sensor and their function including testing:

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

https://www.2carpros.com/articles/how-to-test-an-oxygen-sensor-02-sensor

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

I've attached picture steps below on how to replace the oxygen sensor bank 1 sensor 2 including its location on your car. Hope this helps and thanks for using 2CarPros.