2000 expe sputtering
i have a 2000 expe 4.6 that sputters when i acc. the check engine light came on once and when we hooked it up, it said cyl 5 misfiring. so i replaced the coil pack and spark plug...no code now but it is still doing the same thing, replaced the fuel filter, pcv valve, and checked for a vacuum leak but was unsuccessful...i honestly have no idea what else it could be. maybe another coil pack but it hasn't thrown another code since the last one about a month ago...any suggestions would be greatly appreciated. i am no mechanic but i have pretty good knowledge about the engine just by doing some research on it to try and fix it myself so i wouldn't have to pay someone elses labor, but it looks like that might be the way i am headed...thanks
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