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Random misfire code

(1999 Ford Expedition)
in Albemarle, NC on July 09, 2010
my truck started out with misfiring codes on specific fuel injectors. all injectors replaced, all wires replaced, & coil packs replaced. now, instead of a specific misfire code, it pops up random misfire. getting a new "crank something" done today. if that doesn't work, what next? truck loses power, starts kind of "skipping" while accelerating, and has a rough idle. i'm about ready to drive it off in some random lake!!! lol. any help would be GREATLY appreciated!!!
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Popular Answer
on May 30, 2015
Check your fuel pressure, and manifold gasket
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