Where is the bank 1 sensor 2 oxygen sensor on 2002 Mitsubishi diamante?

On a 2002 Mitsubishi Diamante, the bank 1 sensor 2 oxygen sensor is located on the exhaust system, downstream of the catalytic converter. Specifically, you can find it on the exhaust pipe, closer to the rear of the vehicle. It is usually mounted in a threaded bung and may require some effort to access, depending on the vehicle's configuration.