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Error Codes P0420 and P0104

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Priusisgold, Dec 26, 2018.

  1. Priusisgold

    Priusisgold Junior Member

    Joined:
    Nov 22, 2018
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    Vehicle:
    2007 Prius
    Model:
    N/A
    Hello I'm getting theses error codes can someone please help me ? its 2007 Prius with 139,xxx miles I just bought it used.
     

    Attached Files:

    #1 Priusisgold, Dec 26, 2018
    Bassam likes this.
  2. bisco

    bisco cookie crumbler

    Joined:
    May 11, 2005
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
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    Plug-in Base
    what app is that?

    could be a bad o2 sensor or failing cat, but you need tech stream for sub codes

    dirty maf sensor
     
    #2 bisco, Dec 27, 2018
  3. Priusisgold

    Priusisgold Junior Member

    Joined:
    Nov 22, 2018
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    Vehicle:
    2007 Prius
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    N/A
    Its a android app called Car Scan, yes that what I'm think as well
     
    #3 Priusisgold, Dec 27, 2018
    SFO likes this.
  4. Priusshane

    Priusshane New Member

    Joined:
    Feb 28, 2019
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    Location:
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    Vehicle:
    2007 Prius
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    ----USA----
    Have a used ca cat if needed to fix the p0420
     
    #4 Priusshane, Mar 17, 2019
  5. Bassam

    Bassam New Member

    Joined:
    Jun 18, 2019
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    Location:
    Saida
    Vehicle:
    2007 Prius
    Model:
    LE
    I have the same problem,p0104 p420 are apearing,can you advise me what to do?
     

    Attached Files:

    #5 Bassam, Jun 18, 2019
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