I am tired of 10 mpg - Ford Powerstroke Diesel Forum
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post #1 of 26 Old 03-22-2010, 07:30 AM Thread Starter
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I am tired of 10 mpg

I love my truck but 10.1 mpg average is really starting to suck. Could there be something wrong with the factory tune??? When I test drove the truck the computer said 16 mpg, I thought that was perfect. I did not figure out that the guy that had it before me had a SCT on it until after I bought it.
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post #2 of 26 Old 03-22-2010, 07:52 AM
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get your self a spartan tuner... i'm running 16 mpg around town, hand calculated

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post #3 of 26 Old 03-22-2010, 09:09 AM Thread Starter
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So I stop by a local ford dealer at lunch just to see if I like the service writer and if I would do business with them. I mention how much I dislike the mileage I am getting with the truck, he looks at me and says 10 mpg is great, with those tires you should be getting 8 mpg.... Off to find a new dealership...
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post #4 of 26 Old 03-22-2010, 11:06 AM
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2 things. 1) don't ever believe the dash meter. 2) get the spartan and don't look back.

09 Lariat Ultimate/Spartan/
AFE SS Exhaust/AFE Stage II/
Weathertech/Cervinis/Toyo/UWS


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post #5 of 26 Old 03-22-2010, 11:19 AM
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I'm averaging 14.5 (hand calculated) city/highway over the course of 29 fillups since I've had the truck and the best mileage recorded has been 16.618 with the mods in my sig.

2003 F150 Lightning- Whipple 3.4l 659rwhp 711rwtq @18psi on 93

2008 F250 FX4- afe stage II, 5" Flo Pro, Elite- egr delete/wastegate/4" downpipe/cfm+/ported fuel rails
Innovative XRace-12.81@103.9; H&S Hot Damn- 13.13 @ 101.4 556 rwhp (Traded In)

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post #6 of 26 Old 03-22-2010, 12:37 PM
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get a 7.3 if you want mileage, i get well over 20(avg) unloaded. my highest on a single tank is close to 25 driving like a granny

2003 F250 FX4 7.3L CC/SB Lariat
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post #7 of 26 Old 03-22-2010, 01:30 PM
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I heard when the salesman "pulls your truck around" for a test drive that they reset the lie-o-meter. 16 mpg on a short test drive sounds about right haha

09 F-250 Superduty CCSB
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post #8 of 26 Old 03-22-2010, 01:42 PM
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First thing I do when test driving one is reset the meter before leaving the lot.

09 Lariat Ultimate/Spartan/
AFE SS Exhaust/AFE Stage II/
Weathertech/Cervinis/Toyo/UWS


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post #9 of 26 Old 03-22-2010, 01:48 PM
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Quote:
Originally Posted by benjamin24 View Post
First thing I do when test driving one is reset the meter before leaving the lot.
agreed. Or I thanked the salesman that tired to pull that **** on me for doing it for me LOL

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post #10 of 26 Old 03-22-2010, 02:40 PM
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Quote:
Originally Posted by benjamin24 View Post
First thing I do when test driving one is reset the meter before leaving the lot.
I thought you just said that you wouldn't believe the lie-o-meter??? haha

Either way, I agree, it's not a very accurate representation of fuel mileage.

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