Loud knocking noise when driving

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by wendi, Jul 13, 2019.

  1. wendi

    wendi New Member

    Joined:
    Jun 27, 2019
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    Location:
    Temple,TX
    Vehicle:
    2013 Prius
    Model:
    Three
    I have removed the manifold it was really dirty and had oil in it and then moved to the fuel injectors and they had build up on the ends then moved to the throttle body cover and it was very clean and I was told it could be a blown head gasket and I would know by pulling that cover off because I would have gunk build up. Now I'm lost should I just go ahead and get down to the head gasket and change it to or what should I do now, any suggestions? In need of some help plz I'm in a rental and it's to much. 2013 gen 3 Prius

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  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
    95,366
    43,238
    0
    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    how many miles?
    have you cleaned the egr?
    is it using any oil or coolant?
     
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