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
On my 99 Grand Prix 3.8 it's located below the rear exaust manifold on the engine block.
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.
The bank without a number onc cylinder in it is bank number 2. Sensor 2 is behind the catalytic converter.
Try to picture this Bank 1 Sensor 1 Bank 2 Sensor 1 Catalytic Conv. Catalytic Conv. Bank 1 Sensor 2 Bank 2 Sensor 2
There are 4 O2 sensors in 1999 suburban.Bank 1 sensor 1, bank 1 sensor 2 on the driver side before Catalytic Convertor. Bank 2 sensor 1 on exhaust Manifold, passenger side. Bank 1 sensor 3 is after catalytic convertor.
Before the catalyst, driver side.
o2 sensor Bank 2 sensor 2