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1999 Lincoln Navigator Question: ignition coil

 

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kart, 5.4L V8, Las Vegas, NV, June 30, 2009, 20:46
 Rookie

Hello every week or two the number 3 coil goes bad. the wiring looks good and the plugs are new, help thanks

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  • Answer #1

    Bret Bodas from RepairPal Test Shop, July 01, 2009, 14:43
     Master

    How does it fail, does the check engine light come on? Does it run rough? Is there a bolt(s) that secure the coil to the head? Are these bolts being used?

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