pass. side rear
driver side first o2 sensor
where is the oxygen sensor in a 1995 gmc jimmy
behind the cat
location of the O2 sensor heater on a 1998 GMC 5.7
If it has a bank two, It would be on the passenger side. I have a 1994 K2500, it only has one oxygen sensor.
My car when slow stop engine
Drivers side exhaust pipe just after the exhaust manifold. Best reached from underneath.
Bank1 is the driver side of the engine, senor 1 is on the engine side of the catalytic converter in the exhaust flow.
pasenger side second sensor which is after the catylic converter
Assuming the engine is a 4.3L, bank 1 would be on the drivers side.
Bank 2 sensor 1 would be the first sensor located on the passenger side exhaust pipe closest to the engine.
Bank 1 should be the side of the engine cylinder #1 is on.