EGR clogged Intake Manifold

Discussion in 'Gen 3 Prius Technical Discussion' started by donzoh1, Dec 15, 2022.

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  1. CR94

    CR94 Senior Member

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    What's coming through the EGR is mainly nitrogen, carbon dioxide, and water vapor, plus smaller amounts of miscellaneous impurities (also known as pollutants), including soot. What's coming through PCV is an even more complicated mixture including all the same stuff, plus oxygen, unburnt fuel, oil fog, and more, Does that make it more puke-like?
     
    #21 CR94, Dec 17, 2022
  2. Mendel Leisk

    Mendel Leisk Senior Member

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    In my experience. EGR: baked-on black powder. PCV: automotive Thousand Islands dressing.
     
    #22 Mendel Leisk, Dec 17, 2022
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