Where is the Oxygen sensor on a 2002 Honda Accord?

There are two oxygen sensors (O2 sensors) on a 2002 Honda Accord: one is located in the exhaust manifold, and the other is located in the catalytic converter.

* The upstream O2 sensor is located on the engine side of the catalytic converter, between the engine and the catalytic converter.

* The downstream O2 sensor is located on the tailpipe side of the catalytic converter, close to the muffler.