6arrows Posted September 26, 2012 Share Posted September 26, 2012 My son has a 1997 F150 4.6 windsor 133thousand with a miss fire Changed the plugs they were shot also new wires still a miss fire. there is two coil packs up front they are motocraft im not sure if they are 1997 or have been change. a small store up here says to pull 2 coil wires off and if no spark jumping back and fourth there bad well i did that and on both coils i saw no jumping spark. should i just buy 2 new coil pks. thanks for the help Quote Link to comment Share on other sites More sharing options...
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