I got thew o2 senors like it is nothing. Ive had the car for oo a little under a year now and ive had to put 8 o2 senors in. The passanger side if fine i have never had a problem to it to this day. But the drivers side is allwayz goin bad. It went bad again tonite. and at 70 bucks a pop its realy startin to pi*s me off. I get the SES light and eveything and i know it the sensor cuz when i change it the cars back to normal. does any one have any idear what the heck is causing this to happen and how the hell i can fix it. My next idear is a o2 sim. But i dont know