gday, i have a 98 vt v6 commodore sedan and ive had a problem with my oxygen sensors at first the left one was stuffed and the right was just wotking, so i bougth 2 new oxygen sensors and put them in and i was still getting my engine light coming on when i was on the highway so i checked the codes again and the left one wasnt working so i swapped them so i would no if it was the sensor or something else and i checked it again and now both arent working i cant win can anyone help please thanks robb,
What brand did you get? Some of those cheapies on Ebay can be dodgey. I know, because I bought some and they lasted only a week or two. Did you clear the codes after you put the new sensors in?