Bank 1 Oxygen Sensor 1 location needed

The rule is bank one is the exhaust bank with number one cylinder so if a four or straight six, bank one sensor one is the front O2 sensor, if a V engine, it will be the front sensor on the exhaust bank with number one cylinder.

Here is a guide to help you get the oxygen sensor changed out.

https://www.2carpros.com/articles/how-to-replace-an-oxygen-sensor

Here are location and repair diagrams,

Check out the diagrams (Below)

Please let us know if you need anything else to get the problem fixed.

Cheers, Ken