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2007+ Expedition & Navigator 2007, 2008, 2009 and 2010 Ford Expedition and Lincoln Navigator

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Old 10-13-2011, 12:10 PM
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Boss9F100 Boss9F100 is offline
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2006 Navigator dead cylinder

2006 Navigator 3v 5.4L 50k miles

Cruising at 45mph vehicle went into limp mode check engine light came on.

Ran scan and 0307 Code Misfire #7

Pulled COP swapped with #1, replaced #7 plug Misfire still on #7

Completely dead cylinder not just a random misfire.

Cylinder has great compression.

Injector driver possible? Heard of injectors sticking open but not just giving up.
Ideas?

Prior to this vehicle ran great but MPG was off by about 3mpg compared to another identical unit.
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1966 F100 powered by a 482" Dual Quad Side Oiler
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1966 F250 Plain Jane Red/Red Long Bed 3.5L EcoBoost
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Old 10-14-2011, 12:40 PM
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berry1234 berry1234 is offline
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This forum is for 2007 and newer.
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Old 10-15-2011, 12:15 AM
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Boss9F100 Boss9F100 is offline
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Quote:
Originally Posted by berry1234 View Post
This forum is for 2007 and newer.
I realize that now after trying to find my post! LOL

Another low mile engine gone south...
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1966 F250 Deluxe Camper Special "RANGER" Special Paint
1965 F250 now gone bye bye . . Sad Face
1966 F100 powered by a 482" Dual Quad Side Oiler
1966 F100 Plain Jane AZ Grandpa Truck 352 3spd
1966 F250 Plain Jane Red/Red Long Bed 3.5L EcoBoost
1966 F600 Never Titled OR Registered Only 5388 Miles
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Old 10-15-2011, 12:15 AM
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