2013 F250 DPF DELETE WORSE MPG - Ford Powerstroke Diesel Forum

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post #1 of 22 Old 12-04-2013, 12:09 PM Thread Starter
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2013 F250 DPF DELETE WORSE MPG

AS HEADLINE STATES, 2013 F250, 24K MILES.. THIS IS THE SECOND ONE.. DPF DELETE AND UNLOCKED MINI MAXX STREET. THE FUEL MILEAGE IS AVERAGING OUT TO BE ABOUT 3MPG LESS THAN FACTORY. HAND CALCULATED. I DID A 2013 350 DUALLY AND SAME ****. IT DOESNT MATTER IF LOW BOOST FUELING IS UP OR DOWN OR IN THE MIDDLE. TRUCKS ARE GETTING LOWER MPGS AND CUSTOMERS ARENT TOO PLEASED. ANYONE ELSE HAVING THIS ISSUE?? ANY IDEAS OR SUGGESTIONS??
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post #2 of 22 Old 12-04-2013, 12:19 PM
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Originally Posted by PlatinumDiesel View Post
AS HEADLINE STATES, 2013 F250, 24K MILES.. THIS IS THE SECOND ONE.. DPF DELETE AND UNLOCKED MINI MAXX STREET. THE FUEL MILEAGE IS AVERAGING OUT TO BE ABOUT 3MPG LESS THAN FACTORY. HAND CALCULATED. I DID A 2013 350 DUALLY AND SAME ****. IT DOESNT MATTER IF LOW BOOST FUELING IS UP OR DOWN OR IN THE MIDDLE. TRUCKS ARE GETTING LOWER MPGS AND CUSTOMERS ARENT TOO PLEASED. ANYONE ELSE HAVING THIS ISSUE?? ANY IDEAS OR SUGGESTIONS??
That's weird. My 2012 has the same motor and gets about 4mpg better with the custom tunes and got about 2 to 3 better mpgs with the stock h&s tunes.

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2012 F250- 4.5in. lift, 24x12 rockstar II's painted tuxedo black, 37x13.50x24 M16's, KEM race tunes, 5in. exhaust, and much more.
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post #3 of 22 Old 12-04-2013, 04:06 PM
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I'd probably get worse mileage if I deleted cause my right foot would want to be feeling the power all the time! LOL.

2012 F350 CCLB 3.55 ELD with 20s. Lariat package, Chrome, FX4, Clearance Lights, Rapid Heat, Two Tone, Upfitters, HD Alternator, 5th Wheel prep, Truxedo Lo Pro Tonneau. Linex. On board air and shocker XL train horns.

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post #4 of 22 Old 12-04-2013, 04:13 PM
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Considering the EPA crackdown on diesels lately, what is the probability Ford redesigned the software to defeat DPF-off modifications?
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post #5 of 22 Old 12-04-2013, 06:21 PM
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im going to say the right foot is the problem


2012 f-250 6.7
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4" downpipe back
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post #6 of 22 Old 12-05-2013, 09:05 AM
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Considering the EPA crackdown on diesels lately, what is the probability Ford redesigned the software to defeat DPF-off modifications?
Highly doubt this

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post #7 of 22 Old 12-05-2013, 09:32 AM
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Highly doubt this
I agree. The engine is still the same as before once deleted.

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post #8 of 22 Old 12-05-2013, 10:10 AM Thread Starter
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ya ill try that!!!!!
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post #9 of 22 Old 12-05-2013, 10:35 AM
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Originally Posted by DillonC View Post
That's weird. My 2012 has the same motor and gets about 4mpg better with the custom tunes and got about 2 to 3 better mpgs with the stock h&s tunes.

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I'm about 4mpg's better with the new Mini stock tunes and 4" exhaust.
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post #10 of 22 Old 12-05-2013, 10:48 AM
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LoL.......

Customer: My mileage is worse now.

Me: Well try not driving like a teenager.

Customer: What does that have to do with my mileage?

Me:


I'm 1000% sure their new "driving habits" are the root cause / source of their "mileage loss". Once the added power feeling wears off they will probably drive with a lighter foot. This would be the same for on road or off road tuning. More power everyone drives like John Force, mileage obviously will go down if you can't keep your foot out of it.

I've seen the customers that say they don't drive like that then proceed to drive off foot to the floor. So I say tell them to chill out on the throttle for a while and recalculate.
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