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Cleaned EGR valve, not sure if full circuit is needed. 111k miles

Discussion in 'Gen 3 Prius Main Forum' started by gboss, Aug 12, 2024.

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  1. gboss

    gboss Member

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    Here are both sides of the cooler. Do you see carbon clogs? To my newb eye I can't see any (there are still bubbles in there as it is still drying from the recent wash). If see carbon or suggest another clean...I think it would be interesting to test either a dish pod or baking soda as those are a much more potent version of Dawn Dish soap. Never tried a pod but baking soda has cleaned out my ovens before.
    IMG_1979.jpg IMG_1980.jpg

    And here is a shot pointed up at a ceiling light:
    IMG_1978.PNG

    Oh yeah, I've been at it over a couple of days. Let it dry. Jammed in the clothes hanger (and wiper blade wire). Cleaning soak. Wire..repeat.
     
    #41 gboss, Aug 20, 2024 at 10:47 PM
    Last edited: Aug 21, 2024 at 12:21 AM
  2. ASRDogman

    ASRDogman Senior Member

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    Days versus minus??? MMMM (n):whistle:

    I believe it's clean enough.
    You should search ebay, and use duck duck go to search junk yards for the EGR Cooler.
    Get a spare and clean it up for the next time. It will save you a LOT of time and heart ache...
     
    #42 ASRDogman, Aug 21, 2024 at 6:28 AM
  3. Mendel Leisk

    Mendel Leisk Senior Member

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    That’s looking pretty good. With EGR cleaning, you want to get the cooler cleaning started as early as possible; it’s the time consuming part.

    There’s maybe a slight “patina” of carbon on the convoluted fins, hard to tell.

    keep in mind, it’s not just “clogs” you’re trying to dispel; the main object of that contraption is to cool the exhaust gasses, and even a thin layer of carbon reduces it’s efficacy.
     
    #43 Mendel Leisk, Aug 21, 2024 at 8:05 AM
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