2000 7.3 miss and BAD fuel mileage HELP PLEASE - Ford Powerstroke Diesel Forum
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Old 10-26-2011, 05:27 PM
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Red face 2000 7.3 miss and BAD fuel mileage HELP PLEASE

I'm new to this site and thank anyone for there insite with the follow problem. I have a 2000 F250 4X4 7.3 290k 4" lift on 35x12.50 tires it does have an edge eveloution chip. it's getting terrible fuel mileage 12mpg around town and around the same on the highway. I have resealed the injectors, replaced the ipc, repaired leak in the Map sensor line. I pull 22 lbs of boost @ full load. I've done a cyl cut out test and a buzz test passed both. However a few injectors poped up with the cct but the truck was @ 150 degrees when we ran the test. I'm leaning towards a new set of injectors, i have an occasional miss that comes and goes. But at no time do i get diesel in the oil nor does the truck smoke (other than black upon accleration). Can a bad injector or two cause poor fuel mileage? Shouldnt I see some smoke or be making oil??? PLEASE HELP IM AT MY WITS END....
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