Which plugs?
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Super Moderator
Joined: Jan 2008
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From: Maine, Virginia
Which plugs?
Getting ready to do a plug change on my 2004 Expy 4.6L. She has about 92K on the clock.
Anyway, I'm looking for opinions on the best plug to use and any advise as I've never even had the cover off the top of the engine except to change the belt.
Thanks.
Anyway, I'm looking for opinions on the best plug to use and any advise as I've never even had the cover off the top of the engine except to change the belt.
Thanks.
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Super Moderator
Joined: Jan 2008
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Likes: 1,522
From: Maine, Virginia
Yes, but many of the threads are more focused on the 5.4L engines, many of which still used the OE two piece plug from the factory.
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Super Moderator
Joined: Jan 2008
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From: Maine, Virginia
I was simply making a point that when I did a search on this subject, very little discussion is available on the 4.6L plugs. I didn't realize that I was debating anything and I appreciate your opinion.
Sick 'n Tired
Joined: May 2006
Posts: 2,969
Likes: 47
From: League City, TX
Go with the OE motorcraft plug. The 5.4 and 4.6 are finicky when they come to plugs. Also, go to the motocraft website and lookup the correct part number. DO NOT trust the Autozone/AdvanceAuto/Oreilly computers or people. Their systems sometimes cross reference the wrong ones.
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