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P0446 Code Troubles

Discussion in '3rd Gen 4Runners (1996-2002)' started by 96Runner, Jun 4, 2024.

  1. Jun 4, 2024 at 2:09 PM
    #1
    96Runner

    #1
    96Runner [OP] New Member

    Joined:
    Jun 4, 2024
    Member:
    #40877
    Messages:
    2
    Gender:
    Male
    Vehicle:
    1996 4Runner. 6.0
    Lifted
    Hey I was hoping someone could point me in the direction of this switch, I cannot find anything that gives me an idea of where it's at. I can get the part and do it, but I need help locating where it's at. Thank you!
     
    96Runner, Jun 4, 2024
    #1
  2. Jun 4, 2024 at 5:23 PM
    #2
    negusm

    #2
    negusm New Member

    Joined:
    Oct 22, 2019
    Member:
    #11745
    Messages:
    2,095
    Gender:
    Male
    Vehicle:
    2002 4Runner SR5 4WD
    Try a new gas cap.

    Here are the potential causes:

    VSV for EVAP
    VSV for vapor pressure sensor
    open or short in VSV circuit for EVAP
    open or short in vapor pressure sensor circuit
    vapor pressure sensor
    problem in any of five vacuum hoses
    charcoal canister leaking/damaged
     
    negusm, Jun 4, 2024
    #2
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