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top filter?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by wilgilb, Jun 4, 2015.

  1. wilgilb

    wilgilb New Member

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    On top of the engine air filter is rectangular plastic cover. Inside the cover is another filter that doesn't come out. What is it called, and when does it get replaced?
     
    #1 wilgilb, Jun 4, 2015
  2. jzchen

    jzchen Newbie!

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    It is a carbon filter element, for emissions, and as far as I know doesn't need replacing, I guess unless it is damaged somehow.

    EDIT- hydrocarbon, carbon impregnated, not just plain carbon

    MT2L03 ?
     
    #2 jzchen, Jun 4, 2015
    Last edited: Jun 4, 2015
  3. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    Like Jz says....I asked this question early on on this board....is a bit of a baffle...is it not...
    kris
     
    #3 cyberpriusII, Jun 4, 2015
  4. RRxing

    RRxing Senior Member

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    The carbon filter attached to the cover is not replaceable. It is there to absorb residual gas fumes when the engine is off for emissions purposes.
     
    #4 RRxing, Jun 5, 2015
  5. wilgilb

    wilgilb New Member

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    Ok, sounds good. Thanks.
     
    #5 wilgilb, Jun 5, 2015
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