Where is Oxygen sensor bank 2 in 2005 Cadillac DeVille?

In a 2005 Cadillac DeVille, the oxygen sensor bank 2 is located on the passenger side of the vehicle. Specifically, it is positioned after the catalytic converter along the exhaust system. This sensor monitors the oxygen levels in the exhaust gases to help optimize engine performance and emissions. To access it, you may need to lift the vehicle for better visibility and reach.