Where is the 02 senors on a 1996 Oldsmobile auroa?

On a 1996 Oldsmobile Aurora, the O2 sensors are located in the exhaust system. Specifically, there are typically two sensors: one upstream (pre-catalytic converter) and one downstream (post-catalytic converter). The upstream sensor is usually found near the exhaust manifold, while the downstream sensor is located after the catalytic converter. You may need to raise the vehicle for better access to these sensors.