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  1. All gen owner

    Spark plug insert

    I have a 2002 XLT with the 5.4l, I had my first spark plug blowout about 8 years, and 45000 miles ago and the second one about 5000 miles later. I decided to bite the bullet and installed inserts in all cylinders. This Expedition has made several trips from Texas to Wyoming and back in the last...
  2. All gen owner

    Spark plug insert

    I have a 2002 XLT with the 5.4l, I had my first spark plug blowout about 8 years, and 45000 miles ago and the second one about 5000 miles later. I decided to bite the bullet and installed inserts in all cylinders. This Expedition has made several trips from Texas to Wyoming and back in the last...
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