Oxygen sensor for Lincoln mks2011 400 milli volt bank#1, where is it located in this vehicle?

Question

Oxygen sensor for Lincoln mks 2011, 400 milli volt, bank#1, where is it located in the vehicle?

Answer 1

Bank 1 is where cylinder 1 is located, because this is  a V6 engine You would have a Bank 1 Sensor which is the upstream 02 sensor which is before that catalytic convertor and you would have a Bank 1 Sensor 2 which is the downstream 02 sensor.