p134
The bank 1 number 2 sensor on a 2001 Montana is in the tail pipe just behind the catalytic converter. The number 1 sensor is in front of the converter.
your bank 2 sensor is the o2 sensor on your passenger side exhaust manifold
after exhaust manifold, before catalytic converter.
bank 2 sensor 2 front bank after the cat
location bank 1 sensor 1
The bank without a number onc cylinder in it is bank number 2. Sensor 2 is behind the catalytic converter.
The bank 2, Oxygen sensor 2, on a 1999 Mitsubishi Diamante is located on the passenger side of the vehicle. It is in the exhaust in the undercarriage.
On my 99 Grand Prix 3.8 it's located below the rear exaust manifold on the engine block.
Try to picture this Bank 1 Sensor 1 Bank 2 Sensor 1 Catalytic Conv. Catalytic Conv. Bank 1 Sensor 2 Bank 2 Sensor 2
o2 sensor Bank 2 sensor 2
Before the catalyst, driver side.
Bank 2 Sensor 1 located downstream left front rear side.