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Spark plugs

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by tylerjames, Dec 31, 2015.

  1. tylerjames

    tylerjames Junior Member

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    I am switching my plugs now. I bought this car used and see it has Denso iridiums. I am using NGK iridium.. Will this effect it? Check out the difference
     

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    #1 tylerjames, Dec 31, 2015
  2. Patrick Wong

    Patrick Wong DIY Enthusiast

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    NGK also is an original equipment supplier to Toyota for the Prius. What is the model number of the NGK iridium spark plugs that you are installing?
     
    #2 Patrick Wong, Dec 31, 2015
  3. tylerjames

    tylerjames Junior Member

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    IFR5T11
     
    #3 tylerjames, Dec 31, 2015
  4. Patrick Wong

    Patrick Wong DIY Enthusiast

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    #4 Patrick Wong, Dec 31, 2015
    tylerjames likes this.
  5. tylerjames

    tylerjames Junior Member

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    #5 tylerjames, Dec 31, 2015
  6. tylerjames

    tylerjames Junior Member

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    #6 tylerjames, Dec 31, 2015
  7. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Typically yes. You should be ok.
     
    #7 Mendel Leisk, Dec 31, 2015
  8. Patrick Wong

    Patrick Wong DIY Enthusiast

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    The plugs are pre-gapped. The spec is 1.0 - 1.1 mm. I have found that the gap needs to be slightly narrowed to achieve 1.0 mm which is the spacing that I strive for.
     
    #8 Patrick Wong, Dec 31, 2015
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