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Does ECO mode hurt the engine in the long run?

Discussion in 'Gen 4 Prius Main Forum' started by FuriousPrius, Jan 1, 2022.

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  1. alanclarkeau

    alanclarkeau Senior Member

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    Go back and put the display I suggested in Post#20 - it'll show that the ICE isn't flogging itself alone - MG2 will be assisting it.

    If you're really worried - which I wouldn't bother - before putting it in gear, give the accelerator a stab - and it'll start the ICE and waste some fuel warming it up.
     
    #41 alanclarkeau, Jan 6, 2022
    Tyfly likes this.
  2. sam spade 2

    sam spade 2 Senior Member

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    OK.....well......the only way to keep an engine from wearing is:
    Dont use it. EVER.
     
    #42 sam spade 2, Jan 6, 2022
  3. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Using a block heaters helps, giving the engine a leg-up on the warm-up process. A stone-cold engine with oil drained down is the toughest time for engine wear.
     
    #43 Mendel Leisk, Jan 6, 2022
  4. jerrymildred

    jerrymildred Senior Member

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    I'm not aware of any modern car that recommends warming it up before driving.
     
    #44 jerrymildred, Jan 6, 2022
    pilotgrrl, Tyfly and alanclarkeau like this.
  5. ChapmanF

    ChapmanF Senior Member

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    I arrived at $work one morning when there was some kind of freakishly popular event on, and zero vacancy in the parking garage, and I went up and down the whole thing two or three times before finally spotting someone returning to a car and getting in, and the brake lights flickered, and I stopped and waited, and about five more desperate drivers piled up behind me, as we all waited ... for the driver ... to warm ... up ... her Prius.
     
    #45 ChapmanF, Jan 6, 2022
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