Bank 1 sensor 1 is near the manifold on the right side of the vehicle (passenger side)
sensor 1's are before the catalyc converter.
its where the #1 cylinder is that's bank one
bank 1 sensor 1 2002 on toyots sienna
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.
Driver's side, post cat convertor.
drivers side right on the manifold right before the flang that connects the cayt
Bank 1 is where cylinder #1 is. Sensor 1 is ahead of the converter (usually in the manifold.
Mitsubishi Galant, 2002, 4-cyl, O2 sensor, bank 1 sensor 1 (upstream)... PART NUMBER: MR506364
Bank 1 is the pass side.
Bank 1 sensor 1 was the upstream 02 sensor located before the catalytic con on my 03.
Bank one is on the side that the master cylinder is on bank two is the opposite side of the master cylinder
On a 2002 Ford E-150 : Bank 1 is the passenger side of the engine ( V6 and V8 engines ) Sensor 1 would be close to the engine BEFORE the exhaust enters the catalytic converter ( upstream sensor )
Bank 1 sensor 1 is closest to the firewall and located just below the exaust manifold. Easiest to change from under car.