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Can you resist "Reset"

Discussion in 'Gen 2 Prius Fuel Economy' started by Whiteyprius, Nov 3, 2008.

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  1. Whiteyprius

    Whiteyprius Active Member

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    Lately (for the past 3200 miles) I've enjoyed watching my mpg's be still for awhile. I know we all shoot for that "best tank," but I sort of got tired of seeing the mpg's jump up every time I'd coast and go down every time I punched it a bit - so I stopped poking "Reset." I've been very pleased that my honest to goodness overall (at least for 3K+) has been 50.4, and has remained that for about a week. My commute is 3 miles - most trips are 15 minutes or less - some weekend travel may include 100 - 200 mile trips. But it's kind of peaceful and gratifying to have that 50.4 sit there on the MFD for miles, and miles, and miles...:D
     
    #1 Whiteyprius, Nov 3, 2008
  2. NoMoShocks

    NoMoShocks Electrical Engineer

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    It depends on the terrain and how good of a Prius you got. If I could see the mileage settle in at over 50 MPG, I would not reset the computer, but I start going up hill from home and from work, so I like to reset the computer after I get to the top of the hill and see it read over 50 when I get to work. If I let it go for a few days, it will settle in around 48 MPG.
     
    #2 NoMoShocks, Nov 3, 2008
  3. mrblaise

    mrblaise Go Lakers!!

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    I've reset it so many times now (by mistake) it almost doesn't even faze me anymore. lol
     
    #3 mrblaise, Nov 3, 2008
  4. TonyPSchaefer

    TonyPSchaefer Your Friendly Moderator
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    We - the drivers of the 2004/05 Prii - don't have a choice. After refilling the tank, the MFD automatically resets after a few rotations of the tires.
     
    #4 TonyPSchaefer, Nov 3, 2008
  5. NC_Prius

    NC_Prius Member

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    Maybe your mpg gauge is broken now. :D
     
    #5 NC_Prius, Nov 3, 2008
  6. rpg51

    rpg51 Member

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    Yea, I'm getting to the point too that I may just leave the MPG readout as is for the long haul.
     
    #6 rpg51, Nov 4, 2008
  7. Mike F

    Mike F New Member

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    I reset mine at the begining of January, had a maximum of 60.2 mpg but now the cold weather is here it down to 60.9 mpg.
     
    #7 Mike F, Nov 4, 2008
  8. gdbelden

    gdbelden Gator Hator

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    Must be new math....:D

    How can you go from 60.2 "down" to 60.9?
     
    #8 gdbelden, Nov 4, 2008
  9. Fibb222

    Fibb222 New Member

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    My 2004 doesn't, but it's from Canada, eh.
     
    #9 Fibb222, Nov 4, 2008
  10. apcpa2000

    apcpa2000 Junior Member

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    I have never reset mine since we got ours - over 8,000 miles. Right now its a battle between 52 & 52.1
     
    #10 apcpa2000, Nov 4, 2008
  11. john1701a

    john1701a Prius Guru

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    1.3 MPG is the margin-of-error, based on my 107,163 miles of data collected (details in my lifetime spreadsheet). That's the difference between what you see on the Multi-Display and what's calculated based on measure at the pump.

    Why resist knowing fluctuations are so small and the value is statistically misleading anyway?

    .
     
    #11 john1701a, Nov 4, 2008
  12. Kcissem

    Kcissem New Member

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    No i cant resist to reset, I track my mpg by the tank on a spreadsheet so i have to reset after every fill up just to keep everything standard.
     
    #12 Kcissem, Nov 6, 2008
  13. taggart

    taggart Member

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    Are you sure about that? I have a 2008 and I swear it automatically resets at every fill-up. Could be wrong.
     
    #13 taggart, Nov 6, 2008
  14. Freedom

    Freedom Active Member

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    I've not used reset since picking up the car Aug 28th. Now closing in on 1800 miles. It bounces between 48.6 and 48.8. I'm happy! :cheer2:
     
    #14 Freedom, Nov 6, 2008
  15. subarutoo

    subarutoo New Member

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    I reset mine 5000 miles ago when I got new tires. It went from an easy 49-50 to 43-44. Oh well. :(
     
    #15 subarutoo, Nov 6, 2008
  16. Whiteyprius

    Whiteyprius Active Member

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    My miles for that tank resets after fillup, but the avg mpg's keep going.
     
    #16 Whiteyprius, Nov 6, 2008
  17. Whiteyprius

    Whiteyprius Active Member

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    Jeepers, what kind of tires did you put on?:eek:
     
    #17 Whiteyprius, Nov 6, 2008
  18. Whiteyprius

    Whiteyprius Active Member

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    Great early numbers - keep up the good work!:D
     
    #18 Whiteyprius, Nov 6, 2008
  19. Whiteyprius

    Whiteyprius Active Member

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    Not broken - I'm bouncing between 50.3 & 50.4 now:rolleyes:
     
    #19 Whiteyprius, Nov 6, 2008
  20. subarutoo

    subarutoo New Member

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    BFG G-Force Sport 205-60 15 on stock rims. As the man says, "Your mileage may vary." Well, mine did. It drives and handles so much better, that I'm OK with it (have to justify it somehow).
     
    #20 subarutoo, Nov 7, 2008
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