Hi Guys, need some help,, 04 heritage f150, 4.2 ,,at first loss of power at any speed it would fall on its face accelerating, i found the cats were clogged now it has its power back and accelerates well, replaced cam sensor, kept giving cam code, checked all wiring to it, looks ok, now engine lopes un n down at an idle,, and during driving to,, like it gets the hiccups. gas maybe ? fuel pressure dropping ?