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Re: 2004 Navigator spark plugs
Posted to Shop Management Forum on 1/26/2007 1 Reply

[...trimmed text...]

NO!

1st-you don't have the 3V engine (the one the plugs don't come out)

2nd-you NEED TO change your plugs because you have the 4V engine that tends to launch the plugs at the mileage you have!

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