Feb 7, 2009 #1 S shawnv New member Joined Feb 7, 2009 Messages 6 Reaction score 0 Points 1 What can cause a cataltic converter to go completely bad on one side but be perfect on the other side. I have 2 catalytic con on my yukon. The o2 sensor went bad on the bad side (passenger side)
What can cause a cataltic converter to go completely bad on one side but be perfect on the other side. I have 2 catalytic con on my yukon. The o2 sensor went bad on the bad side (passenger side)