Intake Manifold Wire Harness help

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by RavenPri, Nov 2, 2025.

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  1. RavenPri

    RavenPri New Member

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    North West California
    Vehicle:
    2012 Prius
    Model:
    Two
    Thanks for all your help its very appreciated. Gathered up all the parts and tools for the head gasket replacement and will start tackling that this week as soon as I get through the videos and sticky notes of the forum.

    Since they don't sell the sub assembly parts im going to go ahead and order Toyota 25620-37120 Valve Assembly, EGR W/MO (website is just a reference to the part). I'm pretty sure by the diagram and "W/MO" in description it includes the motor part, Am I correct?

    I'm still wondering if the rewire has anything to do with it, maybe it is sending a faulty signal through the system and along with a a damaged ski jump do-hickey it is enhancing/escalating the problems.

    The most important part is to get it done asap.

    Thanks again.
     
    #21 RavenPri, Nov 24, 2025 at 4:37 PM
    Last edited: Nov 24, 2025 at 4:53 PM
  2. ChapmanF

    ChapmanF Senior Member

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    Mar 30, 2008
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    Location:
    Indiana, USA
    Vehicle:
    2010 Prius
    Model:
    IV
    See if you can find the 04xxx- part number of a kit that includes that valve, it may save you a chunk of change. There should be several threads around here that mention it.

    Toyota sometimes will put a part and related parts, like gaskets, into a 'kit' with its own number, and price it lower than the thing by itself.
     
    #22 ChapmanF, Nov 24, 2025 at 6:38 PM
    RavenPri likes this.
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