yea the mil light came on and i checked it but which one of the 4 sensors is that code for...?

 

depending on the milage... jsut change them all.. and i believe its 3... not 4.. rite..?
pre cat/cat/after cat

yea i just changed all 3 cause otheriwse ur gonna have to crawl around again.. under..

 

hmmm cuz my car has become sluggish and unresponsive in the last couple of months (95k) i did a complete tune up and it still sucks gas like no ones buisnes.. when u replaced urs did it make any difference in driveablity?