bank #1 sensor #2 is the oxygen sensor that is past the catalytic convertor(some mechanics call it the downstream sensor)the sensor is located between the convertor and muffler you can use a 7/8 wrench or a oxygen sensor socket if you have one
This would be the sensor after the catalytic converter.
Bank 2 is the passenger side exhaust pipe and sensor 2 will be the closest sensor to the converter.
drivers side second one back by transmission
where is the oxygen sensor in a 1995 gmc jimmy
It is the sensor below the catalytic converter.
It is behind the catalytic converter
It would be the sensor after the catalytic converter.
Bank 1 sensor 3 would be the O2 sensor after the catalytic converter.
driver side bank 1 before cat
Bank 2 is on the passenger side on a Chevy V6 or V8.
3, sensor 1 bank 1, sensor 2 bank 1, sensor 2 bank 2
Bank one sensor one oxygen sensor