bank one is where the number one cylinder is sensor one is before the cat and sensor two is after the cat
it is the rear sensor bank 1 (the one after the converter)
bank one is close to the fire wall sensor one is before the cat
Yes
The bank 1, sensor 3, O2 sensor would be the O2 sensor post cat.
Bank one is the side that includes cylinder number one. Sensor two is post catalyst.
It depends on your vehicle. Bank 1 is the O2 sensor on the same side of the car as cylinder number one (or the odd cylinders). Sensor 1 indicates the O2 sensor before the Catalytic Converter.
It is the O2 sensor screwed into the front of the catalytic converter.
BAnk one sensor one is above the cat on the back exhaust manifold. Sensor two is below the cat.
You did not specify which O2 sensor it is. Is it sensor 1 bank 1, sensor 2 bank 2, sensor 2 bank 1, or sensor 1 bank 2. There are four O2 sensors on a mazda 626
No activity from B1 S2 O2 sensor circuit. Check O2 harness and connecter for damage. If harness and connecter look good replace faulty B1 S2 O2 sensor. This is the sensor after the B1 catalytic converter (AKA downstream O2 sensor). B1 (Bank 1) is the bank of cylinders that contains the number one cylinder.
Bank one is the bank on the drivers side. The O2 sensor will be the first one going from the engine screwed into the exhaust system.
Bank one sensor one on a 2006 Ram is before the catalytic converter on the driver side.