passenger in front of cat but normally when one o2 sensor gos the other 3 are not far behind i would replace them all
Bank 2 locates on the opposite side of the cylinder # 1 and the sensor 1 is locates in the front
There are 2 catalytic converters on a V8 2002 Toyota Tundra. Bank 1 is the manifold and cat on the drivers side and bank 2 is the manifold and cat on the passenger side. Sensor 1 is the sensor on the exhaust manifold before the catalytic converter. Sensor 2 is the sensor located after the cat converter. Bank 2 Sensor 2 is the sensor located after the catalytic coverter on the passenger side.
On 2000-2002 Tundra the Bank 1 Sensor 1 is located on the most front left side (your left sitting in the drivers seat). Right next to the rear end of the exhaust manifold, immediately ahead of the flange for the exhaust pip Fault Code PO155 02 Sensor Heater Fault (Bank 1 Sensor 1)
bank 1 sensor 1 2002 on toyots sienna
drivers side before the converter
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 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.
if it is a V8 bank 2 is on the right (passenger side). sensor 1 is before the catalytic converter (sensor 2 is after)
The P0155 refers to the Oxygen sensor on Bank 2, sensor 1. Bank 2 on your vehicle is on the passenger side of the engine. Sensor 1 is the first oxygen sensor in the exhaust pipe coming from the engine.
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.