Fuel Mileage
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Joined: Dec 2007
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Fuel Mileage
My recently purchased F350 7.3L has 121,000 miles and has no aftermarket enhancements.
I was getting around 13 mpg in the fall, but that has dropped to 9 in the winter. These figures
are from city miles put on in Wisconsin, along with 10 -15 min. of idle time in the winter every day.
Are these numbers a little low ?
I was getting around 13 mpg in the fall, but that has dropped to 9 in the winter. These figures
are from city miles put on in Wisconsin, along with 10 -15 min. of idle time in the winter every day.
Are these numbers a little low ?
Post Fiend
Joined: Feb 2000
Posts: 11,496
Likes: 6
From: Kansas
Welcome! 
The winter blend maybe affecting that a little. You can find out what other 7.3 owners are getting here: https://www.ford-trucks.com/forums/forum31/ The Super Duty forum is another good one for diesel information.
The winter blend maybe affecting that a little. You can find out what other 7.3 owners are getting here: https://www.ford-trucks.com/forums/forum31/ The Super Duty forum is another good one for diesel information.
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