bank 1 sensor 2?

[AZGT]

Ok, my car has a code for faulty o2 heating circuit on bank one, sensor 2. I assume sensor 2 is the rear o2, but which bank is considered bank 1 on the 4.6?

 

[GotMustangs]

Ok, my car has a code for faulty o2 heating circuit on bank one, sensor 2. I assume sensor 2 is the rear o2, but which bank is considered bank 1 on the 4.6?

I'm pretty sure that's the driver's side.

 

[COramprat]

I have the same exact code on my Expedition. Bank 1 is the driver side.