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I have had the same problem with a 2006 with 4.6 motor.. changed coil 2-3 times. fixes it for a couple weeks...... recently I have narrowed it down to the coil wire that has a harsh BEND around the PCV valve hose........ seems that when I bend it one way or the other, it will fire or miss........... just something to consider --- bad wires.
I have had the same problem with a 2006 with 4.6 motor.. changed coil 2-3 times. fixes it for a couple weeks...... recently I have narrowed it down to the coil wire that has a harsh BEND around the PCV valve hose........ seems that when I bend it one way or the other, it will fire or miss........... just something to consider --- bad wires.
I'm starting to think the same thing. I got to get it fixed before the 27th as we have a big camping trip planned and need my truck to haul all our gear to the mountains.