On a 2000 Lincoln LS , 3.9 liter V8 engine :
Bank 2 is the drivers side of the engine
Sensor 2 is in the exhaust after the exhaust has passed through the catalytic converter ( downstream sensor )
On a 2000 Lincoln Navigator : Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine before the exhaust enter the catalytic converter ( upstream sensor ) Sensor 2 ( downstream sensor ) would be in the exhaust after the exhaust exits the catalytic converter
The 2000 Mazda Miata O2 sensor bank 1 is located on the firewall in the engine compartment. The sensor can be found on the passenger side of the firewall.
On a 2000 Lincoln Town Car , 4.6 liter V8 engine : Bank 2 is the drivers side of the engine Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter
Bank 1 sensor 2 would be the sensor after the behind the catalytic converter.
Bank 1 is the bank of the engine that contains #1 cylinder. Bank 2 is the other bank. Sensor 1 is located before the catalytic converter. Sensor 2 is located after the cat converter.
That should be the sensor located after the catalytic converter.
bank 2 sensor 2 is the passenger side, rear sensor, it is located behide the catalytic converter.
passenger side is bank 1 the closest to the engine is sensor 1 of the 2 on each side
Bank one are before the Cat and bank 2 are after the Cat.
Bank 2, Sensor 1 is located on the front of the engine(radiator side), before the first catalytic converter.
Bank 1 refers to the side of the engine where the number 1 cylinder is located and sensor 2 is the down stream or after the catalytic converter sensor.
Driver side