I think he mentions that ..That sensor gets damaged often especially during engine swaps or exhaust swaps. And even if it looks ok it could be bad. I THINK.
My problem is...Im STUCK at my house until I figure why it wont idle hardly. It misses badly to where ya cant gain any real speed otherwise id drive to a mechanic. You & anyone who answers are being helpful,cuz when looking for info, its liek a never ending thing.And im quite green stiff. Cuz Jeeps are theyre own beast so to speak. bbl,gonna go stare under my hood !!