View Single Post
Old 12-12-2012, 10:13 PM   #4 (permalink)
user removed
Master EcoModder
 
Join Date: Sep 2009
Posts: 5,927
Thanks: 877
Thanked 2,024 Times in 1,304 Posts
It's been my experience that oxygen sensors get "lazy" as they age. They finally get so slow at responding that you get a CEL. I had one go bad in my 02 Insight at 40k miles, but I think it was from oil contamination from the previous owners addition of a K&N air filter which was soaked in oil.

regards
Mech
  Reply With Quote