A chip? Will this help improve my fuel mileage? - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 07-07-2014, 03:54 PM Thread Starter
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A chip? Will this help improve my fuel mileage?

Hey Everyone, This is my first post here. I have owned my '01 7.3L for 5 years and pulls very well. I used to help my (late) Dad service the 7.3's and there were no decisions when it came to what I wanted in a towing truck. When I bought my truck, the owner had installed a chip a couple of years earlier. He swore it increased his fuel mileage. When I first started towing right after I bought it, I was getting approximately 11-12 MPG towing.
I have noticed over the past year or so, that my fuel mileage isn't as good anymore. I went on a round trip of 250 miles pulling my loaded 24' inclosed and got only 9.3-9.7 MPG !!!
My truck has been serviced on a regular basis and has 180K miles on it.

I can't remember the name of the chip he said he had installed. Seems like it started with a "P". Maybe it was a Prowler??? I can't remember. If someone mentioned it, I'd probably hit me then and jog my memory.

Could someone recommend how I could increase my fuel mileage either with a chip or other means?

Thanks in advance, Rich
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post #2 of 7 Old 07-07-2014, 04:46 PM
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Might wanna give some more details on your truck.
The chip / a chip won't net MPG. Don't expect one to and you'll be better off - then if you possibly see a 1-2 MPG difference you'll be happy. Don't expect to gain via one though.
Fuel filter clean ? No brakes hanging ? Go to smaller tires ? Keep rpm's under 2k , no Jack rabbit starts. Try cleaning the ebp tube. Run some type of fuel additive for lubrication. Coast when possible and drive like you have an egg under the fuel pedal.

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post #3 of 7 Old 07-07-2014, 05:06 PM Thread Starter
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-Serviced on a regular basis, fuel filter changed once a year.
-Tires; Cooper Discoverer. 285-75-16 mounted on the original rims.
-No brakes hanging. (I would smell it).
-Hardly ever drive it over 2000 RPM, unless when towing and pulling up a grade.
-Never jack rabbit starts.( I drive it like a truck, not a sports car).
-Use Sea Foam once/month.

Should I just remove the chip? I can't see how I went from 12(avg)MPG towing to 9.5(avg)MPG towing. Like I was saying, I treat my truck very well, Serviced regularly. It's my bread and butter also, I use it for my Landscaping business.

Any help is appreciated.
Rich
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post #4 of 7 Old 07-07-2014, 07:15 PM
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Maybe it's time to service the injectors, but goin to a custom tuned chip would probably help, along with a less restrictive exhaust and intake

Have you experienced exhaust leaks?

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post #5 of 7 Old 07-08-2014, 03:58 AM Thread Starter
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No exhaust leaks. I watched some you tube videos of how to clean the ebps and the tube. A few of the videos said it really didn't help their MPG. But, I'm sure it would be a plus to do so after seeing all the carbon buildup.

I'll check in on the servicing of the fuel injectors.

Thanks for any help.
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post #6 of 7 Old 07-08-2014, 06:01 AM
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any loss of power? boost leak

2006 250 sc, custom tunes from innovative, 4inch turbo back mbrp.
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post #7 of 7 Old 07-08-2014, 04:48 PM Thread Starter
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No lost power.
No boost leak that I know of......
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