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scangauge/ultragauge

Discussion in '2nd Gen. Tacomas (2005-2015)' started by BJohn, Mar 12, 2011.

  1. Mar 12, 2011 at 9:36 PM
    #1
    BJohn

    BJohn [OP] Member

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    Have been reading some of the posts on the scangauge/ultragauges and was wondering as I have been towing some lately how do these gauges show MPG as when towing? Can they be used for finding a better speed at which to obtain the best MPG while towing? And which one would be best for this use? Thanks
     
  2. Mar 12, 2011 at 11:51 PM
    #2
    anethema

    anethema Well-Known Member

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    They can. They get the reported mpg from the ecu, then calibrate it based on your actual fillup data. They will give instant and average ECUs.

    I have only used the scangauge so all my information is based on that, but I've heard the ultragauge is cheap and good as well. The main disadvantage I see spoken about is it is quite a bit slower to update than the scangauge. The main advantages I see is a more modern look and cheaper price.
     
  3. Mar 13, 2011 at 6:12 AM
    #3
    fratermus

    fratermus Active Member

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    I think the UG update rate varies based on the ECU it's talking to. There's a little "heartbeat" indicator that changes on every ECU update.

    On my Mazda sedan it updates about once every .8 seconds or so. Too slow to use as a tach for finding shiftpoints in realtime but fine for everything else. I actually bought it to use in whatever Taco I eventually buy in order to maximize MPG.

    To the OP: the SG has a long and well-deserved good reputation. The UG is [much] cheaper but is basically a leap of faith at this point. I have read of no failures so far but there is no reliability history to look back on.
     
  4. Mar 13, 2011 at 8:02 AM
    #4
    Janster

    Janster Old & Forgetful

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  5. Mar 13, 2011 at 8:11 AM
    #5
    Pugga

    Pugga Pasti-Dip Free 1983 - 2015... It was a good run

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    Save some money and get an Ultragauge. Like the other guy said, it doesn't update fast enough to be used for tuning, but if you're looking for MPG changes when towing, it's more than adequate. It also displays a whole bunch of other things going on with your engine (temps, etc). So far mine is spot on after the calibration. It took about 20 minutes to set-up and install with all the wires hidden.
     
  6. Mar 13, 2011 at 8:17 AM
    #6
    JHTreyIII

    JHTreyIII Well-Known Member

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    X2 ^^^

    The Ultra Gauge is perfect for your purpose. It's cheaper and updates plenty fast for your application.

    [​IMG]
     
  7. Mar 13, 2011 at 9:13 AM
    #7
    BJohn

    BJohn [OP] Member

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    good deal, that is the info I was looking for,Thanks
     
  8. Mar 13, 2011 at 11:17 PM
    #8
    ubtow

    ubtow New Member

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    @ JHTreyIII....How did you mount that under the A/C controls? Looks good!
     
  9. Mar 15, 2011 at 6:08 AM
    #9
    JHTreyIII

    JHTreyIII Well-Known Member

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