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2005 Engine on a 2004 Nightmare!
I have questions regarding a 2005 Ford Expedition Engine on a 2004 Ford Expedition. The owner is experiencing a rough idle. The owner has swapped a 2005 5.4L onto his 2004 Expedition. I pulled the #1 spark plug and the spark plug is new! (half arc type) The owner has very recently installed 2004...- OldScoolNoe
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- Forum: 2nd Gen - 2003 - 2006
