Replaced complete EGR system w/photos

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by dame3780, Jan 5, 2019.

  1. 04priusnow

    04priusnow Active Member

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    No oil burning. Change oil every 8k miles or so
     
  2. 04priusnow

    04priusnow Active Member

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    I didn't swap out the intake.. I should have maybe this spring.
     
  3. 04priusnow

    04priusnow Active Member

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    The other side PXL_20201019_002941952.jpg
     
    Mendel Leisk and Raytheeagle like this.
  4. Mendel Leisk

    Mendel Leisk Senior Member

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    If you mean replace: it's easy to clean. Brushes for cleaning steel drinking straws are good for the small EGR passages.
     
  5. 04priusnow

    04priusnow Active Member

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    Cylinder 1 misfire...hmm Screenshot_20201111-195435.jpg
     
  6. 04priusnow

    04priusnow Active Member

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    Exhaust readings Screenshot_20201111-195735.jpg
     
  7. Mendel Leisk

    Mendel Leisk Senior Member

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    Cylinder one, or in between one and two, is the common head gasket failure point, reported here and by gasket masters. When intake manifolds are pulled off for inspection/cleaning, the small EGR passages tend to be most clogged at cylinder one. The EGR gas enters the manifold at the other end, cylinder four.
     
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