Bank 1 is the bank of cylinders that contain the number 1 cylinder. O2 sensor 1 is the first O2 sensor in the exhaust system between the engine and the catalytic converter.
The O2 sensor bank 1 location on a Mitsubishi Endeavor is next to the top hose of the radiator on the motor. The sensor is slightly below where the top radiator hose connects to the radiator and on the top of the motor.
location of the O2 sensor heater on a 1998 GMC 5.7
That would be the O2 sensor located after the catalytic converter.
All O2 sensors are threaded into the exhaust system at various points. Bank 1 Sensor 1 would be the first O2 sensor located in the exhaust system after the bank of cylinders that contain the #1 cylinder.
Bank 1 is the side of the engine near the firewall. Bank 2 near the radiator. Sensor 1 is before the catalyse converter sensor 2 after the catalyse converter. In your case it is the O2 sensor that behind the firewall and after the CC.
bank 1 = passenger side bank 2 = driver side sensor 1 = pre-cat sensor 2 = post-cat
Itis on the driver's side before the catalytic convertor.
I believe it is before the catallytic converter.
The bank 1, sensor 3, O2 sensor would be the O2 sensor post cat.
bank one is drivers side, sensor 2 is rear O2 sensor(oxygen sensors are screwed into exhaust pipes)
You have 2 O2 sensors on that vehicle. They are both threaded into the exhaust system, one before the catalytic converter and one after the catalytic converter. Bank 1 sensor 1 is the O2 sensor before the catalytic converter.
On the 3.6L bank one is the passenger side. On other engines it is driver side.