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  1. M

    97 5.4L Expedition Mileage

    2000 EB 5.4 w/ 150000. I get 16.7 mpg mixed. I have been getting this since I bought it at 30000 miles. Just recently put a full exhaust and will get an intake soon. Also running original plugs, coils, and o2 sensors. I had a feeling I was getting pretty good mileage, but not this good.
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