got a 03 03 code in my ECU How do I change the o2 sensor. Which one it is I know there are two of them on that goes were the cat is. But were is the other one?? What price do these O2 got for ??

 

foreignpartplace.com get the bosch o2 sensor for 66 bux or so. u will need a jack, jack stands, 22 mm wrech or rachet with o2 sensor socket..un screw it, follow the wire up the the engne bay, pull the plug. put in new one.. cake!

might wanna make sure your car is cool when u try this. exhuast parts get hottt..