Hey guys my ol' 6.5 developed an issue the other day that I can not figure out ..... on cold start it revs full throttle ..... I have changed fuel/water seperator/filter, my PMD is remote mounted on bumper , changed PMD ..... and I am now at a loss ....... I did run out of fuel a couple of weeks ago but poured a jerry can of fuel in and primed system and it ran good til the other day ....... any help greatly appreciated