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  #1  
Old 01-13-2014, 06:48 PM
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Mileage problem!?!?

Anyone else have this problem if it is one at all!....I have a 12' gc bought it brand new with like 10 miles on it,with it now having 12,453 miles(from what the odometer reads) buttttt when I go thru the navi settings where you can view max speed,engine hours an mileage, the mileage reads 12,985 miles, wtf!? how is that possible
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Old 01-13-2014, 10:09 PM
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It's a 4.27% difference.

EDIT: I had to edit this after looking at it again this morning, the difference is actually 4.27% (not 0.33% like I originally said, nice math skills by me on my phone laying in bed last night browsing the forum lol). Not sure what would cause the variance though!
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Old 01-13-2014, 10:32 PM
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Re: Mileage problem!?!?

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Originally Posted by LTrainGC View Post
It's a 0.33% difference. I'd guess GPS tracks true mileage and the odometer will be slightly less because most cars the speedo reads 1-2% lower than actual.
The odometer didn't track when you were airborne but the GPS did.
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Old 01-15-2014, 02:11 PM
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Re: Mileage problem!?!?

MSWLOGO was on the right track. Your dealer is probably 532 miles (+-) away from the factory in Detroit where the Nav was set. The Nav read the movement of the transporter.

Aaron
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Old 01-15-2014, 02:49 PM
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Re: Mileage problem!?!?

Not to mention if the Nav doesn't have a locked signal or thinks you're some place else temporarily when it finally locks on to your location there is obviously some impact to the mileage.
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Old 03-08-2014, 10:09 AM
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Where in the settings does it say max speed and miles and engine hours on navigation settings? Would that be on the 2011 model?


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Old 03-09-2014, 03:54 PM
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Re: Mileage problem!?!?

My charger always had a 50 miles difference, drove me nuts. Both jeeps don't seem to have a difference.

On the charger, you just tapped the speed section when on the nav map view and it would display all the additional vehicle metrics like top speed, hours, mileage, etc.
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Old 03-13-2014, 06:09 PM
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Re: Mileage problem!?!?

If you commute in your vehicle, that would explain a lot of it. GPS does not update constantly. Matter of fact, most GPS systems often "estimate" your speed quite often. Stop n go traffic or even erratic speeds will rack up miles on a GPS. Ever made a wrong turn using GPS? You will notice that the little marker will continue along the correct path briefly until it updates and sees you made a right turn. It just "estimated" you continued.
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