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  1. General 6.7 Discussion (2011-2016)
    !!!HELP!!! 2011 6.7. Deleted/straight pipe and “tuned” (don’t know anything about tune). 35’s and running about 1700 RPM at 65MPH. Only getting 13MPG. Any ideas if this is normal?
  2. 99-03 7.3 Motor Problems
    Symptoms: -Rough idle/distinct knock that is worse when engine is cold -Lots of white smoke on cold start (unplugged)-Some white smoke when plugged in -Strong smell of diesel at all times -Loss of power -Terrible fuel mileage Timeline: 1) Excursion was filled with gasoline accidentally 2)...
  3. 99-03 7.3L General Discussion
    I just bought a 2000 f350 with 275k mi,crew cab sb 4x4. Did a full tune up, changed all the fluids to synthetic, new turbo up pipes, new tranny cooler, complete 4" exhaust, dp 3 stage tuner, stock, tow haul, and economy. Compression tested all injectors and im still getting8-9 mpg. Put 6" lift...
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