2006 Toyota Sienna Bank 1 Sensor 2 Location. Bank 1 (b1) refers to the bank that includes cylinder no. Where is location o2 sensor 1 bank 1 toyota avalon 2006 3 6 xl 2000 toyota sienna replacing the bank 1 sensor 2 oxygen sensor o2 air fuel ratio sensor replacement bank 1 5vz fe w manual
With a 4 cylinder, everything should be bank 1 (no bank 2). I have been sold a sensor with a flange. The o2 sensor will be.