Sensor 1 is the front sensors before the cat. Sensor 2 are the sensors behind the cat. Bank 1 is on the side of the engine that has number one cylinder and bank 2 is the opposite side of the engine that has cylinder 2.
Sensor 1 is the front sensors before the cat. Sensor 2 are the sensors behind the cat. Bank 1 is on the side of the engine that has number one cylinder and bank 2 is the opposite side of the engine that has cylinder 2.