Thread: O2 Sensor - Bank 1 Sensor 2

Originally Posted by Scottydoggs

bank one o2 is the one in the rear manifold, bank 2 is post cat.

ANNNNNNNNNTTTTTT

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 after the catalytic converter