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I pulled the #1 spark plug on my 2002 F-250 5.4L what is this attached to the plug and I believe it is the wrong plug in the motor . any input would be great
Thanks
That's a 3v plug in some kind of crappy insert. You better check the rest of them. If you can thread the correct plug in and put 28 ft/lb on it without stripping out, you may be okay. If not, it's Timesert time.