Replace spark plugs

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by lsoh, Feb 3, 2013.

  1. lsoh

    lsoh Junior Member

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    i have 60k on a 2010 Prius III. my mileage is slowing dropping, i am thinking about
    installing new plugs. any body have other suggestions?
     
    #1 lsoh, Feb 3, 2013
  2. tumbleweed

    tumbleweed Senior Member

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    Duplicate, deleted
     
    #2 tumbleweed, Feb 3, 2013
  3. tumbleweed

    tumbleweed Senior Member

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    #3 tumbleweed, Feb 3, 2013
  4. bisco

    bisco cookie crumbler

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    check and/or replace your 12v.
     
    #4 bisco, Feb 3, 2013
  5. The Critic

    The Critic Resident Critic

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    That will not make a significant difference.


    iPhone ?
     
    #5 The Critic, Feb 4, 2013
  6. boppo

    boppo Active Member

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    That's what u might think, but in the Prius world it does.
     
    #6 boppo, Feb 4, 2013
  7. tankyuong

    tankyuong Senior Member

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    check air filter
     
    #7 tankyuong, Feb 4, 2013
    frodoz737 likes this.
  8. The Critic

    The Critic Resident Critic

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    With the exception of a few members who INSIST this to be the case, I have yet to see an explanation in the factory service manual (or any official literature) to support the argument.

    I did replace a dying 12v battery on one person's car about two years ago, and it made a slight difference (at best) in fuel economy.

    Also, using a midtronics (or equivalent) advanced tester is the only proper way to verify battery health, not thru checking the voltage alone.
     
    #8 The Critic, Feb 4, 2013
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