2010 Prius 2ZR-FXE engine efficiency map

Discussion in 'Gen III 2010+ Prius Technical Discussion' started by ken1784, Jun 1, 2009.

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    walter Lee Hypermiling Padawan

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    At 4000 RPM a Prius must be moving along
    the highway like a crazed demon from hell.:eek:
    walter Lee, Jun 5, 2011
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    spwolf Senior Member

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    this is europe.

    my 88hp nissan moved at 100mph with no problems for 600 miles the other day :)
    spwolf, Jun 5, 2011
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    FrankTiger Member

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    Hi Tom

    Actually it does make a lot of sense. I'm capturing OBDII data and this is the plot you asked for. It seems that there is a different path (in light-blue) for revving when the coolant temperature is below 70ºC (158ºF)

    Big hugs from Frank

    [IMG]

    [Click here for zoom]
    FrankTiger, Oct 4, 2011
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    Currawong Junior Member

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    That's what got me interested in the car in the first place: I saw a 2010 model accelerating at a speed I didn't think a hybrid could do. I wouldn't call my 2011 a highway demon, but I have caught myself going at speeds way above what I intended without realising.

    I found I can enact some fun by putting the car both in power and the gear selector in B (to keep the ICE running) then it's possible make very quick progress when there is little traffic in the way. I wish I'd owned this car back in Australia.
    Currawong, Feb 12, 2012
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    Rbimd New Member

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    Rbimd, Sep 25, 2012
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    Rbimd New Member

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    Ken,

    Is there any chance you could re-publish your 2ZR-FXE engine efficiency chart?
    When PriusChat moved to its new format, the links to many old charts were lost!
    Rbimd, Sep 25, 2012
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    SageBrush Senior Member

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    SageBrush, Sep 25, 2012
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    telmo744 HSD fanatic

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    Is there anyone with a OBD reader that can provide an estimate of power loss when in high speed no-load (just about 1000rpm) of the engine?
    For 2 Gen Prius I have a friend that gave me 1kw as rough value (diff between 68km/h and 70km/h energy flow to batt)...
    Thank you in advance
    telmo744, Oct 1, 2012
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    SageBrush Senior Member

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    Hobbit has said 2 kw to turn the ICE, unrelated to fuel combustion.
    Incidentally, it is this factor that provides most of the benefit of P&G: ~ 2/3rds of the time the driver is saving 2 kw.

    It is also why hybrids that can glide at high(er) speeds have quite an advantage in a hypermiler's hands if the route lets them stay below the spinning_ICE threshold.
    SageBrush, Oct 1, 2012
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