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bad coil

  1. Ford F-100, F-150, F-250, F-350
    04 Expedition, 5.4l 2v. Engine misses and shutters when under load, when in neutral it revs fine. Throws a code for cylinder misfire, but not always the same cylinder. Changed all the plugs, while doing that I noticed the EGR valve had a bad line on it so I replaced it as well. Still have the...