DIY for O2 sensor replacement

[Topless]

Wow! If your Durametric software gives you bogus information about your fault codes it is surely goofed up or not very useful at best. Here is the description from Porsche.

Scroll down for relevant codes:
http://www.pelicanparts.com/techarticles/Boxster_Tech/19-FUEL-02_Sensor/OBD-II-scan.pdf

[texomawaves]

I haven't thrown a code since I reseated my oil filler cap. That has been almost a month of driving since, so I think that might have been the problem!!! Maybe the o-ring on the filler cap is wearing out.