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Old 07-12-2007, 10:33 PM
Superduty03 Superduty03 is offline
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Superduty Problems

I have a 03 Superduty. I bought it with 135000k miles. Price was unbeatable. Ford did a used car inspection but less than two weeks after the truck left the lot the #4 spark plug some how got loose and completly stripped the head. Now its in the shop and i am out money.

Is this a common problem for the 5.4 engine?

Also what other common problems does this year ford have so i know in advance?
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Old 07-13-2007, 01:02 AM
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It happens, but not real often. It is usually caused by being incorrectly torqued. I guess they didn't inspect the plugs in the inspection, or if they did, they didn't tighten them properly.
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