Its got to be wiring i replaced that sensor and then warrantied it. feom the O2 conector where do the wires go? Is there a place i can access a wiring diagram?

additional InfoI did replace the o2 sensors. I also warrantied the driver side because the fault was still there. I checked the wires and they seemed all to be good. Everyone I spoke to said it was a dme issue so I had ford reprogram with the newest software. . The code was P0141 I have...

I have a friend I am trying to help run this down on. The light was on and we did the 100000 mile service plugs, coils, oil and filter, and because the light had the o2 sensor fault both of them, air filter, fuel filter. The battery was disconnected and then the light was off. It came back on...