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1997 to 2009 Expedition and Navigator 4.6L and 5.4L (2V and 3V) equipped Expeditions and Navigators. |
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Thread Tools | Display Modes |
#5
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You need to do an ACTUAL test over a few tanks of fuel with actual mileage (make sure your odometer is correct) and gallons used. Watching the overhead display is by no means accurate.
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