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Overhead Computer? Please help

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Old Apr 4, 2008 | 03:17 PM
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TN97STROKE's Avatar
TN97STROKE
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Overhead Computer? Please help

Does anyone know where I can get directions on how to re-cal the overhead computer. I know that you hold down both buttons and it changes to "ZONE" (have no idea what zone I am in as related to what the computer sees) I am however in middle Tennessee but the options are 1 thru 15 I think. I also Know that if you continue to hold the two buttons down "cal" comes up on the screen in the lower right corner. I guess the reason I am asking I have done this many times and the ave. MPG never changes. I just completed a 2000 mile trip and I averaged my fuel mileage over 4 tanks of fuel going and coming ( 8 times I filled up several times with 3/4 empty tank, empty tank and 1/2 empty tank and reset mileage each time) and I got right at 17.78mpg and the overhead computer never got over 13.7mpg. I know that the computer is not very accurate but I feel it should be closer than that and at least change some if I have my foot in it or just coasting down hill ( I have even put it in netrual at the top of a hill and coasted at 50+ mph for over 2 miles and it will not change.
 
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Old Apr 4, 2008 | 03:20 PM
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It's in the Owner's Manual.

Download yours here for free:
https://www.fleet.ford.com/maintenan...ls/default.asp

Pop
 
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Old Apr 4, 2008 | 03:31 PM
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You probably just need to reset the avg. mpg function. Put it on there and then hold both buttons down until it says avg. and then let go and it should read 0.
 
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Old Apr 4, 2008 | 03:35 PM
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TN97STROKE
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Thanks I don't have a owner's manual.

I now Have the directions in hand Thanks so much!!!
 
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