« Reply #3 on: November 03, 2009, 01:32:28 AM »
Check your Crank Postion Sensor, fairly common problem on the 4.0L motors. Coils don't go bad often, more likely a bad rotor. Any codes?
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2002 KJ Liberty, 2" Lift, 31" tires/DD
2002 F-150 Harley Davidson 5.4L SC
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