Okay this started a few weeks ago but has gotten really bad the last two days. Traveling 45-55 my truck has started to cut-out, hiccup or whatever you want to call it. There is no drop in fuel pressure and no codes. It intially stated out as once or twice and then leveled out and ran great. The last two days it has been a long string of cutting out. You get about 60 and it smoothes right out. Any thoughts.