So my truck is missing and will not go over 3000 rpm it idles really rough and misses while idling, i have replaced the plugs, wires, coil pack fuel filter, and "sea foamed" the tank and vacume line ... and still dont dare to take it out of the drive way. Can anyone give me some direction?

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2003 edge, 3.0 brush buster, side rails, bed exstender.