As viewed from the front of the car, bank 1 is the cylinder bank to the back. Sensor 1 is on the manifold pipe upstream of the catalytic converter. It is visible, but not reachable, from the underside.
Bank 1 sensor 1 was the upstream 02 sensor located before the catalytic con on my 03.
Trouble code P0132 means:O2 sensor circuit high voltage (Bank 1 Sensor 1)
Bank two sensor two on a 2002 Ram is passenger side, after the catalyst.
The bank 1 sensor 1 oxygen sensor on a 2002 Honda Accord is located on the header. It is right next to the sensor circuit.
bank 1 sensor 1 2002 on toyots sienna
Trouble code P0420 means: Catalyst System Efficiency Below Threshold (Bank 1) Replace O2 Sensor?
Mitsubishi Galant, 2002, 4-cyl, O2 sensor, bank 1 sensor 1 (upstream)... PART NUMBER: MR506364
Bank 2 is the drivers side of the engine in a 2002 Mercury Mountaineer Sensor 2 is after the catalytic converter ( downstream )
Bank 1 is the pass side.
There is no bank two on this van.
Bank 1 is where cylinder #1 is. Sensor 1 is ahead of the converter (usually in the manifold.
On a 2002 Ford Crown Victoria : Bank 2 is the drivers side of the engine Sensor 2 ( downstream sensor ) would be in the exhaust after the catalytic converter