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Noise better with plugs

Discussion in 'Gen 2 Prius Main Forum' started by mathewwarner, Sep 8, 2010.

  1. mathewwarner

    mathewwarner Junior Member

    Joined:
    Sep 7, 2010
    18
    1
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    Location:
    Californi
    Vehicle:
    2005 Prius
    Model:
    III
    I replaced my plugs last night and they did appear quite worn. I guess 130000 miles will do that. Unfortunately the strange valve noise is still there, a bit less, but still there.
    I did notice that I used Valvoline oil the last time instead of Mobil 1. Don't know if that would cause it, but I guess I will go back to Mobil 1 and see.

    Thanks for all the info,

    Matt
     
    #1 mathewwarner, Sep 8, 2010
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