Could you mean the check engine light or malfunction indicator light?
Nov 1, 2014 at 4:19 AM
BLEDSOE
MEMBER
4 POSTS
upstream 02 censor
Nov 1, 2014 at 4:50 AM
WRENCHTECH
✓Experienced Mechanic
20,760 POSTS
I know what an air/fuel sensor it. My question is what light came on because I don't believe there is any light that specifically indicates an 0/2 problem.