Sparkplug problems

Cant screw in spark plug

  • Need to rethread

    Votes: 0 0.0%
  • Take it into shop

    Votes: 0 0.0%

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Need wisdom

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Ign coil broke at fastening screw. Replaced coil (ind) and plug cause it shot out making loud popping noise. New plug won't thread in. Is threading stripped
 

1955moose

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Sure sounds like it. What year is your SUV? I'm guessing 97-02. A real common problem on 97-02 expeditions. The problem as you'll read here on the forum, is Ford in their infinite wisdom only put 4 instead of 8 threads, in a soft aluminum cylinder head. You or a shop are going to have to install a thread insert in that cylinder hole. Wish I had better news, but that's the skinny, good luck, and welcome to the forum.


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