RHSC
Active Member
I have a 97 XLT. I have been having all the same problems as you guys. I have replaced all the coils and plugs, fuel filter, o2 sensors and I have cleaned my MAF sensor. I have also replaced the pcv valve, tube, and elbow. Last year, I replaced the egr valve, egr tube, and exhaust manifolds. I am still getting the hesitation and stumbling when accelerating from a cruising speed, and when going up hill. It is better now than it has been, but still very anoying! The only other thing that I can possibly think of is that the cat/cats are blocked/plugged and need to be replaced. I am taking it in to have the exhaust checked and fixed this weekend, unless someone else has a better idea for me to try...........Anyone, Anyone, Bueller, Bueller.............