Quote Originally Posted by WATAJK View Post
Im not comfortable with the idea of possibly breaking a $350 sensor myself so i'd rather just let a pro do it...
i've recently needed my 02 sensor replaced. and i bought it from wreckers for $80. and i didnt need a special wrench to replace it. just jacking it up and getting under was a pain.

but my point is, buy it second hand. save you some $$$ for other mods.