Why not just change the O2 sensor yourself. It's pretty easy. Autozone will even loan you the tool for free. Changing the O2 sensor will get you better gas mileage too!

 

System too lean, could be a vacuum leak.

 

my cars still in the dealers waiting for a hose (to EGR valve) which split causing the light to stay on

 

i was thinking about that, but i'll be out of town this weekend and i dont have time on week days. my friends dad owns a shop and i was thinking about leaving the car with him and let him actually do it while i'm out of town, but i dont know i'll have to see how long it will take me to do it myself