C Coco New member Sep 2, 2009 #1 I need to replace heated oxygen sensors on my 1994 Toyota truck. I found the one right before the cat. converter, however I am unable to find the other one. I need to replace them so I can pass smog test. I need to try to do this myself.
I need to replace heated oxygen sensors on my 1994 Toyota truck. I found the one right before the cat. converter, however I am unable to find the other one. I need to replace them so I can pass smog test. I need to try to do this myself.
J Johnny Rotten New member Sep 2, 2009 #2 There are 2...The other is after the cat....The heated one is the one before the cat...
