Same issue here. I've been really happy, and patient, with my Bronco overall. So far Ford has fixed things under warranty, which makes things inconvenient, but not intolerable. If I have to start spending a lot of money to start fixing things that shouldn't be broken I think it's going to be...
I just had the same issue. I took it to Autozone to have the codes read and it was P0071 primary and P0073 secondary. I swung by the Ford dealership in town and bought a new sensor for $4 (part stamp # M2DT-12A647-AC). Quick install and the outside temp is back to normal at 55 degrees (was...