Overhead console mileage
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Fleet Mechanic
Joined: Nov 2016
Posts: 1,343
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Overhead console mileage
Bought a 2004 f350 lariat last fall. Overhead console was missing. Finally got around to replacing the display. Temp, compass works fine, but mileage and distance to empty are way off.
Display typically shows 13.5mpg but when manually calculating am usually closer to 17. Distance to empty is way off as well.
I did some research but didn't find much on how to recalibrate it.
Any chance thoughts?
No difference with or without tunes.
Display typically shows 13.5mpg but when manually calculating am usually closer to 17. Distance to empty is way off as well.
I did some research but didn't find much on how to recalibrate it.
Any chance thoughts?
No difference with or without tunes.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
They can take time to learn your driving habits for one
thing and for the most part they are never correct.
They can get better on long drives on the freeway
where you don't have a lot of stop and go. The only other
thing I am not sure about is if they require any module
programming or not. Ed or one of his people at
FICMRepair.com - FORD Powerstroke 6.0 FICM Repair, PHP Tuning and Truck Parts
might know the answer to that one. I have a feeling that it may
be part o the cluster programming. But like I said I am not sure.
thing and for the most part they are never correct.
They can get better on long drives on the freeway
where you don't have a lot of stop and go. The only other
thing I am not sure about is if they require any module
programming or not. Ed or one of his people at
FICMRepair.com - FORD Powerstroke 6.0 FICM Repair, PHP Tuning and Truck Parts
might know the answer to that one. I have a feeling that it may
be part o the cluster programming. But like I said I am not sure.
Fleet Mechanic
Joined: Oct 2007
Posts: 1,712
Likes: 18
From: Henderson, NV
Yes. I purchased mine at Gaudin Ford in Las Vegas and the guy asked for my VIN before he sold it to me to make sure it was the right part.
Fleet Owner
Joined: Nov 2003
Posts: 27,890
Likes: 3,610
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Fleet Owner
Joined: Apr 2012
Posts: 27,307
Likes: 549
From: Spanaway
I was thinning more on the programing of the unit.
But you never know.
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Fleet Owner
Joined: Nov 2003
Posts: 27,890
Likes: 3,610
I was thinking programming also (FICM programming anyway). FICM programming seems to make a difference on calculated fuel economy and miles to empty - at least mine did. The difference between actual and indicated got worse w/ my tuned FICMs. I went from a .5 mpg offset to 1.5 mpg (+ a little)
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