Bank 2, oxygen sensor #1, is located towards the left front (drivers) side of the vehicle. It will be directly forward of the catalytic converter, and to the left of the transmission pan.
Your in luck...that should be the oxygen sensor in the exhaust manifold at the front of the engine compartment. Bank 2 is the bank of cylinders that does NOT contain the #1 cylinder. That bank is bank 1. Sensor 1 is the oxygen sensor upstream of the catalytic converter, and sensor 2 is the one after the cat.
Bank 1 is before the CAT and on the left side (driver side) by the manifold.
Where are the Bank 1 Sensor 1 oxygen sensor on a 1998 ford explorer?
The bank 2 refers to the side of the engine opposite the number one cylinder, on your vehicle that is the drivers side. Sensor 1 will be the first oxygen sensor you come to in the exhaust pipe coming from the motor.
P0155 = O2 sensor heater circuit malfunction (Bank 2 Sensor 1). All O2 sensors are threaded into the exhaust system at various points. Bank 2 would be the bank of cylinders that does not contain the #1 cylinder. Bank 2 Sensor 1 would be the first O2 sensor leading from bank 2 of the engine.
The oxygen sensor bank 1 is located in the exhaust manifold. The oxygen sensor bank 2 on the 1996 BMW 328is is located in the head pipe.
bank 1 sensor 1 2002 on toyots sienna
bank 1 is the bank that cylinder 1 is on
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 one sensor two refers to the oxygen sensor. The bank one sensor two oxygen sensor is on the front side of the engine, after the catalytic converter.
3, sensor 1 bank 1, sensor 2 bank 1, sensor 2 bank 2
The oxygen sensor for bank 1 sensor 1 for a 2000 mercury mountaineer is on the cylinder #1 side.