Mini Max tuner. Fuel economy

Stilly74 · #1 (**permalink**) 03-29-2011, 07:06 PM

I have a 08 f350 with cat/dpf delete and just started running a mini max tuner. My truck computer now says that I am getting 25mpg. I think it is way off. What is everyone else getting for fuel economy ? I think it would be safe to say I'm getting more like 16-17 mpg.why would the truck register such a false reading?I am running the mild tune but have heard that running the hot tune give better mpg. Can anyone confirm this

Profish00 · #2 (**permalink**) 03-29-2011, 07:13 PM

Ford programed that feature off numerous options compiled into a formula H&S has yet to figure out. I'm sure the are diligently working on this bulletin and will post updates as soon as possible.

**pyro2nite** · #3 (**permalink**) 03-29-2011, 07:20 PM

There was a thread awhile back that went into great detail as to why the lie o meter is so far off after a tune is installed. After reading it I still didn't get it

To much tech stuff.

What HP tune to run for better mileage, I believe has more to do with the way you drive. I got a 75HP KEM tune, when compared to a 310 is really low. With the KEM tune I got about a 17% increase in fuel mileage. With the higher HP tunes, it would be really hard to control that right foot

boomernj84 · #4 (**permalink**) 11-16-2011, 05:24 PM

mine says 13.6

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