Quote Originally Posted by petrified.rabbit View Post
I don't understand why you bought a new one though? Your old one looks fine.. when they are shot, they typically look like mud. Your honeycomb still even looks intact. Can you shine a light through it?

(edit, i see you say working end.. what did the other side look like?)
I could shine a light through my old one. The working end was the engine side and the aft end was still white. I replaced due to a P0430 code. Once after all this work I might find a I have a bad sensor....arrgh. I went ahead and ordered since I had the front completely apart.