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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Fuel Saving tips

 
  #1  
Old 07-12-2019, 10:28 AM
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Fuel Saving tips

A couple of posts about fuel mileage in the 20 mpg range has me wondering why I'm getting more like 12. I am currently hunting down a small HPO leak that I can't otherwise notice drives well, plenty of power, starts normally with no smoke at start but some black (not a lot) at the top of throttle. I just cleaned pipe and egr valve with new gaskets.
Any thing else? I'm putting in a fuel pressure gauge this weekend. Truck has blue spring kit.
TIA Tim
 
  #2  
Old 07-12-2019, 05:58 PM
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The biggest mileage killer is stop and go traffic.
 
  #3  
Old 07-12-2019, 06:07 PM
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Also keep the tires aired up!
 
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Old 07-12-2019, 06:45 PM
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I'm easy on the pedal and stay at posted speed limits to get around 18 mpg on long hauls. Otherwise around town with stop and go I average around 13 mpg.
 
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Old 07-12-2019, 07:32 PM
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The 21 number tends to come in on long drives, in temperate weather, flatter the better, at 65mph or lower but with the TC locked, and stock tires. Bed covers help.

Stop and go kills fuel mileage due to the energy needed to accelerate mass, and the faster you accelerate it, the more energy needed.
 
  #6  
Old 07-12-2019, 07:54 PM
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Man, I thought mine was sorta bad at 16-17mpg. But thatís an Excursion with 8Ē lift on 38Ē tires! Pretty sure if I was at stock height with stock-ish size tires Iíd be in the 20ís. But thatís with an Innovative Diesel tune on it, Xtreme Street.
 
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Old 07-12-2019, 08:24 PM
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If I recall Ed has a Eco FICM tune that's supposed to increase the mpg. I had the tune installed but the truck got stolen before I had a chance to really test it out. I have no reason to doubt it wouldn't increase mpg, just don't have hard data to show how much it would have helped me with my driving style.
 
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Old 07-12-2019, 08:31 PM
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No programming added and if I follow what I wrote above I can be in the 20's.
 
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Old 07-12-2019, 09:23 PM
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This is all good, I've just read a dirty EBP sensor can reduce milage. Next on the ever growing list.
 
  #10  
Old 07-13-2019, 08:23 PM
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Eco FICM tune with an extreme race tune I average about 19 mpg if I drive STEADY and keep the speed down. It's alllll about controlling the right foot and letting the other guy have the road. I can get 19+ if I want to put it on 80 mph, too, but Johnny doesn't like me when I do that.
 
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Old 07-13-2019, 08:40 PM
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Yes I'm heavy on the pedal. It's fun, I can't help it. Driving this truck is one of my favorite things to do. I've owned a dozen or so ( I'm a GC) Fords including a 7.3 E350 that I still own. Nothing comes close. The combination of power and speed is addicting.
Plus I did not buy it a a fuel saver. I am going to check out those tunes. Thanks
 
  #12  
Old 07-14-2019, 01:46 AM
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Want to really blow the MPGs out the window?
Try this mix. Hercules FICM tune and Matt's SRL tune.
The milage sucks. but it makes the 6.0L take off better than a gas truck.
Plus you get the mighty black cloud. Well not quite that much.
 
  #13  
Old 07-14-2019, 07:30 AM
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I would add to make sure your brakes are moving freely.
 

Last edited by Brotherbillstruck; 07-14-2019 at 07:32 AM. Reason: Link was added that I did not intend. Not even sure how I did it on the word caliper
  #14  
Old 07-14-2019, 07:38 AM
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Originally Posted by Brotherbillstruck View Post
I would add to make sure your brakes are moving freely.
Good point. I like to periodically get rotor temps (IR temp gun) after both short and long trips - just to see if I might have a brake dragging!
 
  #15  
Old 07-14-2019, 07:57 AM
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Originally Posted by bismic View Post
Good point. I like to periodically get rotor temps (IR temp gun) after both short and long trips - just to see if I might have a brake dragging!
Seems like dragging calipers come up so often here. I do the back of the hand test on the wheels at regular intervals. I have an IR gun also to dig deeper when I notice something. I would bet the everyday drivers have the issue less than someone like me where she sits for days without moving.
 

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