My CEL is on in my '94 4.6 Bird and before I do the usual tune-up I thought I'd have AutoZone plug the diag. tool up and see what codes show. Well, the guy behind the counter said he could only diagnose '96 and newer models. I tried to explain to him that from '94-'97 nothing really changed so he should still be able to pull the codes. This guy wasn't having any of it. He just repeated over and over, "96 and newer, 96 and newer." I can almost guarantee if I would have told him it was a '96 he would have said " '97 and newer only". So basically, was this guy legit or was he just too damn lazy to walk outside and check the codes?