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ScangaugeII fuel fillup adjustment: 11.6%!

Discussion in '4 Cylinder' started by supralight, Oct 12, 2009.

  1. Oct 12, 2009 at 6:57 PM
    #1
    supralight

    supralight [OP] Well-Known Member

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    For those who got ScangaugeII, I've got a concern about the adjustment I've got to do with my fist fillups. To get the correct amount of fuel burned (when at fillup station you compare the ammount pump gave vs amount Scangauge recorded) I have to correct the value by an enormous +11.6%. I have already corrected the speed on my Scangauge with my GPS. I wonder if that means is my truck is running too rich or something.

    How much % have you guys had to correct at fillups to get the correct value?

    For those who wonder what I'm talking about, go read the manual.
     
  2. Oct 12, 2009 at 7:11 PM
    #2
    fletch aka

    fletch aka www.BeLikeBrit.org

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    Very little, The pump may read 16.3 and the scangauge may read 16.6 or 15.9, something like that. I have had a couple where I don't change it at all. It helps if you are very consistent with your driving.
     
  3. Oct 12, 2009 at 7:28 PM
    #3
    MiikeyD

    MiikeyD The Green Machine

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    too bad i cant afford a full tank sometimes so i gave up with that crap.. it kinda takes too long to adjust the gallons and percentage when its saying i just had a 4 gallon fill up
     
  4. Oct 12, 2009 at 7:36 PM
    #4
    fletch aka

    fletch aka www.BeLikeBrit.org

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    I went through the same thing at your age and gas was .65 to .70 per gallon and my gas tank at the time was 10 gallon's.
     
  5. Oct 12, 2009 at 7:37 PM
    #5
    topgun155

    topgun155 Well-Known Member

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    During the first few tanks you have to change it quite a bit. Once you hit about your third tank you should be good to go mine is normally about +or- .2 gallons on. which probably just has to do with the pump you are at.
     
  6. Oct 12, 2009 at 7:50 PM
    #6
    Janster

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  7. Oct 12, 2009 at 7:50 PM
    #7
    RelentlessFab

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    I think mine is set to be adjusted about 9% so i wouldnt be too alarmed by 11%
     
  8. Oct 13, 2009 at 3:06 AM
    #8
    supralight

    supralight [OP] Well-Known Member

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    Well I guess it might be normal then. At this setting Scangauge reads within .1-.2 liters from the pump.
     
  9. Oct 13, 2009 at 5:35 AM
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    911-3.2

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    I also have to adjust mine to around the same amount. To get it dialed in make sure you fill up at the same pump at least twice and then you can pretty much leave it alone. I have found if you keep adjusting it when going to different pumps you will always be chasing the correct setting.
     
  10. Oct 13, 2009 at 6:50 PM
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    supralight

    supralight [OP] Well-Known Member

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    I fillup at same gas station/same pump everytime! And off-topic a but, now that the weather is colder here, near freezing, I get lower mpg figures that's for sure. About 1-2 mpg less than when it was 15 celcius (about 60 F i guess).
     
  11. Oct 13, 2009 at 10:17 PM
    #11
    Janster

    Janster Old & Forgetful

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    During summer, I've been getting 18-20mpg. In the winter, I've seen 15-17mpg. Same driving style, no 'warmup' time, etc.

    Winter here where I live is probably mostly in 20's-40's F. In January, you might see 0-20's F.
     
  12. Oct 14, 2009 at 1:16 AM
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    neslerrah

    neslerrah Taco lovin'

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    It takes a couple fill-ups for the SG to be precise with its numbers. Try to use the same pump every time you fill-up. My gauge is .1-.2 gallons off at times.
     
  13. Oct 19, 2009 at 3:12 AM
    #13
    supralight

    supralight [OP] Well-Known Member

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    small update: my adjustement is now 14.X%! always filling at same pump. I hope it stop getting higher... maybe colder weather getting here affects the %?
     
  14. Aug 31, 2011 at 11:52 AM
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    Paulie

    Paulie Well-Known Member

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    Use Amsoil 0w-30. It will improve cold weather fuel economy by 6%. Start the engine and drive at -20, and it will rum smooth as silk.
     
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