I need to get a UPSTREAM o2 sensor for my 03 Xk8, are the front upstreams the same or diff from left and right sides. Are they the same part on both sides??? Looking at buying for the left and some sites lists FRONT AND RIGHT UPSTREAM and some just list them as upstream?

 

Same part for each side.

 

thanks man!

 

This could also be caused by an exhaust leak among other things.

 

There are no leaks on the car. Southern car, clean as a whistle, all that look new. I did not get the code for sometime after we got it until I got prob too much rad fluid spills on it when I changed out the various rad fluid parts at diff times around that area. I have taken apart the connect on that side, sprayed contact cleaner on it and reconnected, it went away for a brief time and came back. 96k perhaps it just decided to go out. The part does not cost much, may as well hope that is the issue.

 

Thought I would throw it out to you.

 

thanks man.