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99.9 with ICE running?

Discussion in 'Gen 2 Prius Main Forum' started by Texguy, Apr 15, 2008.

  1. Texguy

    Texguy New Member

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    I was suprised yesterday when the energy monitor showed the ICE running and 99.9 current mpg. It was level road traveling in the high 40's. It happened a couple of times for several seconds at a time.

    I've had my Prius for 3 weeks now. I'm guessing (hoping) this is not unusual and others have seen the same thing?
     
    #1 Texguy, Apr 15, 2008
  2. hill

    hill High Fiber Member

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    Yep. It's normal. It means you're not putting any load on the ICE, but for varying reasons, the ICE is still compelled to be on.
     
    #2 hill, Apr 15, 2008
  3. Winston

    Winston Member

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    I see that too, but much more often in the +60mph speed.
     
    #3 Winston, Apr 15, 2008
  4. efusco

    efusco Moderator Emeritus
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    That's my experience as well...
    Typically it'll be with my foot off of or very lightly on the accelerator (hyperstealth glide). Fuel flow will be either 0.0 or 0.1 g/hr the faster you're going the more likely you'll be to see the 99.9mpg since it's MPH/GPH=MPG
     
    #4 efusco, Apr 15, 2008
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