2018 Ford Fiesta Ecoboost O2 sensors

[Kogur]

Where is the upstream O2 sensor located? I have done quite a bit of googling but cannot find pics or videos for this car.

My daughter's car is throwing a cat code but ONLY when it is super cold outside. I figure we'd try the sensors first. We replaced the downstream (she didnt order both) and she can't find the other one. Is it behind the motor? I know some are in dumb locations. I searched here and didn't see it. Please don't beat me!

 

[Handy Andy]

Not beating - here to help - it's tucked in by the heatshield that the exhaust manifold uses - the wires can be seen - if you look carefully near the centerline - rear backside of motor locate the catalytic converter just before it - between Transmission housing and the Engine "bell housing" under the brake booster.