hey guys, looking for some trouble shotting, anyway was coming home the other day pulling a 20ft gooseneck and all was well for the first 250km then truck started having trouble pulling the trailer, took it in and hade fuel pressure tested and was 10psi at idle and @ 7psi under load, anyway was working good before putting in fuel so i am thinking is was expensive water i put in the rig, anyway any ideas would be great as this trailer will be making a long trip loaded to the ***** here farely soon.