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Ignition coil

Chris Apps

New Member
Joined
June 19, 2018
Messages
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City, State
Union, Mo.
Year, Model & Trim Level
2006 Explorer XLT
I have a 2006 4.0 and recently changed out the ignition coil for an ultra power one.
Prior to this I changed out the plugs wires and fuel filter as I was having some power problems.
All seemed good at first but now I’m have some problems again mostly when the engine is hot. Should I have upgraded the plugs a wires too or could this simply be a faulty ignition coil?

Many thanks. Chris
 






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