I am really impressed at the speed of the response and all the information all of you have provided here. This is really great!

Um, I noticed something after I did all the resetting and code checking, when I first started my car, it seemed a little rough on idle, and it was also ticking. Is stopped the car right away, lifted the hood, checked the oil, then started up again. It didn't do anything like that before I discovered how to read the codes today. But, since then, the car has started up with all the pep that I only know of it. Did the resets have some temporary effect that caused it to auto or self-adjust back to normal from the reset? It's running normal every since the rest of the day now.

I acquired the car at about 80k, so wouldn't it just be a good idea for me to change the O2 sensor either way?