Where is bank 1 sensor2?

Bank 1 Sensor 2 refers to the oxygen sensor located after the catalytic converter on the exhaust system of an engine. "Bank 1" indicates that it is on the side of the engine where cylinder number one is located, while "Sensor 2" specifies that it is the second oxygen sensor, typically used to monitor the efficiency of the catalytic converter. This sensor plays a crucial role in managing emissions and fuel efficiency.