Where would you find bank 1 sensor 2 on 2008 Chevy uplander 3.9 v6?

Bank 1 is the side of the engine that has cylinder number one. On the 2008 Chevy Uplander 3.9 V6, cylinder number one is on the passenger side of the engine. Sensor 2 is located downstream from the catalytic converter.

1. Open the hood and locate the engine.

2. The O2 sensor is located near the exhaust manifold, on the passenger side of the engine, screwed into the exhaust pipe between the manifold and the catalytic converter.

3. The sensor will have a single electrical connector plugged into it.

4. Disconnect the electrical connector from the sensor.

5. Use a wrench to loosen the sensor and remove it from the exhaust pipe.