Gonna bump this to ask if any resolution was found. I'm having the exact same symptoms, #1, #2, and #3. Recently replaced O2 sensor with new Motorcraft part, but still throws P0133. I'm in the process of datalogging the problems with Tom.
Mine: 2008 Saab 9-3 Aero SportCombi XWD: 82k, Black, MANUAL
Gone: 2002 SVT, #1654
Hers: 2010 Focus SES: 70k, Ebony, Auto, Moon and Tune