7.3 fuel milage issues - Ford Powerstroke Diesel Forum
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Old 01-03-2013, 07:01 PM
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7.3 fuel milage issues

I have a 1999 ford f350 dually 4x2 with 7.3 with street tires and 172500,0 miles. 411 gears automatic transmission. I have added a bullydog power pup programer at setting towing/ecomy. I have had to replace number 8 injector and number 7 injector. The truck is a daily driver and it runs better now but i only get 16mpg and expected better. What else can I do? I have heard of guys getting up to 22-25 mpg. Is this really possible for my truck? Thanks, Kenny.
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Old 01-03-2013, 07:20 PM
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22 or 25 is not even close to realistic in the truck you are driving. 16 is actually damn good. Ditch that POS bully dog and get some custom tunes. Php, beans, tony Wilman etc. Much better tuning.

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Old 01-03-2013, 07:24 PM

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How did you do your diy intake. short version good enough.
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