Bank 1 is the drivers side of the engine and bank 2 is the other side. Sensor 1 will be the first sensor that's screewed into the exhaust pipe where it bolts to the exhaust manifold. sensor 2 will be further down the exhaust pipe towards the converter. There are 2 in the pipes on each side of the engine.
where is the O2 sensor on a 2002 chevy trailblazer
where is the oxygen sensor in a 1995 gmc jimmy
The sensor is located in the rear exhaust manifold.
in the exhaust system
The oxygen sensor on a 1989 Chevy Celebrity is located in the rear exhaust manifold on top about the center.
The oxygen sensor is in the middle of the exhaust manifold near the firewall.
How do you change oxygen sensor on a 2006 Chevy aveo?"
How do you unplug an oxygen sensor on a 2003 Chevy Cavalier
the oxygen sensor is in the exhaust manifolds, there should be one for each side
There are several and they are all located on the exhaust system.
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
just ahead of the catalytic converter