o2 sensor

[morg76]

can anyone tell me where the o2 sensor for bank 1 is located.cel came on .

[WytchDctr]

Bank1 Sensor1? That would be the one in the manifold.

[Keyan]

our cars only have 1 bank, the one on top is B1S1 (bank 1 sensor 1) and the one right in front of the axles under the car is B1S2 (bank 1 sensor 2)