Location of o2 sensors on 2006 Mazda Mazda6

I asked the question before and got two different answers. Where is the bank one number o2 sensor located? I got a po131 and po134 codes

by in Chicago, IL on February 14, 2013
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer 1 comment
ANSWER by , February 14, 2013
Like i said before a code does not mean that a part is defective! Also bank # 1 is still where i told you. Next to the firewall. Dont believe everything a teddy bear tells you!
COMMENT by , February 14, 2013
agree with wetry