it started about 14 months ago 01 model pulling my 44' trailer on a pull it would turn lite on code is a p0089 it started out with that code . know for last 6 months it does the same thing but it show a p0093
i changed the fpr 2weeks ago it still does the same thing .but the truck idles a lot better now sent changing fpr can anybody tell me whats up with my truck

 

weak cp3 would be my guestamate

theres some diagnosis needed to be done but im a little loopy right now