I got my emissions tested and it says i need a new oxygen sensor. It refers to "bank 1 sensor 2" that needs replacement. I hae been unable to determine which sensor this is but think it might be the rear one after the cat. It is a CA emission vehicle. Any ideas?

 

Diagrams are here:

http://forums.maxima.org/showpost.ph...&postcount=108

 

Thanks bro!