Quote:
Originally Posted by LightningSuperD
I know about the issue with not enough threads on the pre 2003 trucks and I know that it was remedied in 2003 but I did not know about a problem with 2004 spark plugs. what is it?
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ford went to a 3 piece spark plug design, and upon removal usually atleast one of the plugs breaks in half and is a royal pain to remove the other half that is still stuck in the head.