i have a 95 f150 with a 5.0 302 v8 my battery and alternator are good yet my truck loses spark and has a hard time starting sometimes and the voltage gague inside starts out low when you start the truck and the moves around for a second or to the it goes kinda high i have replaced the spark plugs and spark plug wires i have had the throtle body cleaned out as well as the idle air motor and i have had my fule injectors flushed out and i have had the battery ends replaced on the top and at the stater. has anyone out there had this problem before? if so what do i need to do?