The Car Whisperer's Guide to Bank 1 Sensor 2

3800's only have one bank because the exhaust is combined into one pipe before the first sensor. Bank 1 sensor 1 is in the rear manifold. Bank 1 sensor 2 is ... Bank 1 means the front bank that is facing the front of the car? Sensor 2 means after the catalytic converter? This code shows it is the oxygen sensor for Bank 1, Sensor 2. Where exactly is this sensor located? I think this is the passenger side lower sensor. Bank 1 Sensor 2 is O2 sensor Passenger side farthest from engine(behind Cat converter) Only on Dual exhaust systems. Looking from the front of the car, Bank 1 is on the right (drivers side). Sensor two is after the cat. You will need to remove a plastic panel under the bumper ... ... sensor locations by Bank and Sensor (e.g. Bank 1 Sensor 1). Oxygen Sensor Positioning. In the diagrams below, the longitudinal engine orientation ... Banks 1, sensor 2 would be the 2nd O2 sensor on the passenger side of the engine. Sensor 1 is the sensor before the 1st Cat, sensor 2 would be ... Shop for Bank 1 Sensor 2 Oxygen Sensor at Walmart.com. Save money. Live better. Re: Oxygen Sensor, Bank2 Sensor2 (o2s22). User avatar. by hrmwrm. Thu Sep 12, 2013 1:10 am. bank 2 sensor 2 is the drivers side exhaust, sensor after the cat. Bank1 Sensor2 is the O2 sensor that is found screwed into the bottom side of the pre-catalytic converter (aka, downstream). It is the one located between the ...