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    Quick Links: I tow heavy with my first gen. How can I monitor trans temp? Front diff breather puked 2004 Tacoma Cat Converter Has 2 Sensors? Manual transmission fluid change? Cab holes Leak at transfer case fill hole

2002 Tacoma Prerunner CEL

Discussion in '1st Gen. Tacomas (1995-2004)' started by ARLail76, Sep 8, 2025 at 12:19 PM.

  1. Sep 8, 2025 at 12:19 PM
    #1
    ARLail76

    #1
    ARLail76 [OP] New Member

    Joined:
    Monday
    Member:
    #477023
    Messages:
    1
    Gender:
    Male
    First Name:
    Andrew
    Vehicle:
    2002 Toyota Tacoma Prerunner, extended cab 4cyl.
    None
    So my father had to change the filler neck on his 2002 Tacoma Prerunner, and now it’s throwing codes P0440, P0441, P0446, and P0505.

    upload_2025-9-8_15-19-53.jpg

    I’ve cleared them and they pop back up pretty fast. Any guesses what’s going on? Did he not get it tight enough? Something else?
     
    ARLail76, Sep 8, 2025 at 12:19 PM
    #1
  2. Sep 8, 2025 at 12:43 PM
    #2
    slater

    #2
    slater Well-Known Member

    Joined:
    Apr 16, 2024
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    #448066
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    3,076
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    Male
    San Diego
    Vehicle:
    24 white Tacoma TRD Sport 2wd
    go check....
     
    slater, Sep 8, 2025 at 12:43 PM
    #2
    ControlCar likes this.
  3. Sep 9, 2025 at 8:57 PM
    #3
    ControlCar

    #3
    ControlCar My Moto: Help & Learn…period.

    Joined:
    Jul 22, 2023
    Member:
    #429578
    Messages:
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    Gender:
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    First Name:
    Steven
    Sugar Land TX
    Vehicle:
    1996 Taco 2.4L 2wd Automatic
    Clock Volt meter/LSPV Delete/Hyundai 16’s/FP gauge/after 9months of wrenching ZERO oil leaks
    Check your dad’s work out

    that is a crap ton of codes
    Internet guess is a few evap hoses are hanging
     
    ControlCar, Sep 9, 2025 at 8:57 PM
    #3
  4. Sep 9, 2025 at 11:22 PM
    #4
    b_r_o

    #4
    b_r_o Gnar doggy

    Joined:
    Nov 17, 2016
    Member:
    #202672
    Messages:
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    First Name:
    Alex
    WA
    Vehicle:
    2015 DCLB
    He probably didn't get it situated correctly and now there's a vapor leak in the tank
     
    b_r_o, Sep 9, 2025 at 11:22 PM
    #4

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