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Help with reading codes :(

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Maicey, Sep 30, 2021.

  1. Maicey

    Maicey New Member

    Joined:
    Sep 30, 2021
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    Location:
    Atlanta
    Vehicle:
    2008 Prius
    Model:
    Touring
    I have a 2008 at around 163k miles. Need to get emissions done but the check engine light has been on for a week. Codes are PO441, PO455, and B2799. Can someone tell me what these are? The p's seem more like a fuel gas cap thing right? Would be b2799 effect my emissions testing? Thanks in advance!