On this vehicle, there are two. One is on top of the exhaust manifold and the other is under the vehicle on the exhaust.
If you look at the two pics below, I highlighted the sensors. The one on the exhaust manifold is sensor 1. The one under the vehicle is sensor 2.
I don't know if you need them, but here are directions for testing an oxygen sensor:
Also, here is a link that explains how one is replaced:
Let me know if this helps or if you have other questions.
See pics below.
Images (Click to enlarge)
Thursday, June 10th, 2021 AT 8:35 PM