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Error code: P0456 Evaporative Emission Control System

Discussion in 'Technical Chat' started by FRYBOTH, Sep 3, 2012.

  1. Sep 3, 2012 at 1:36 PM
    #1
    FRYBOTH

    #1
    FRYBOTH [OP] Well-Known Member

    Joined:
    Aug 30, 2012
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    First Name:
    Christian
    Seattle
    Vehicle:
    08 Tacoma Base 4x4 2.7L Inline 4
    2008 Tacoma 2.7L 4x4 Manual

    Error code: P0456

    Definition;
    Evaporative emission control system pressure leak detected -small leak.
    Probable cause
    -Faulty fuel cap
    -EVAP line leakage
    -Pump module failure
    -Canister faulty

    I had my check engine light come on and I took it to AutoZone and this is what it told me. Has anyone dealt with this before? Any tips are info would be greatly appreciated.
     
    FRYBOTH, Sep 3, 2012
    #1
  2. Sep 3, 2012 at 1:47 PM
    #2
    OffroadToy

    #2
    OffroadToy old, forgetful, and decomposing

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    More than likely it's your gas cap.
     
    OffroadToy, Sep 3, 2012
    #2
  3. Sep 3, 2012 at 2:05 PM
    #3
    FRYBOTH

    #3
    FRYBOTH [OP] Well-Known Member

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    That's what I'm thinking. Fingers crossed for the cheap fix!
     
    FRYBOTH, Sep 3, 2012
    #3
  4. Sep 6, 2012 at 10:25 AM
    #4
    OffroadToy

    #4
    OffroadToy old, forgetful, and decomposing

    Joined:
    Sep 12, 2009
    Member:
    #22680
    Messages:
    6,908
    Gender:
    Male
    Vehicle:
    2007 Offroad DCSB AT- VSC,TRAC,HAC, & DAC
    Icon Stage 8, ECGS Bushing, Timbren ubolt flip, Crown extended brake lines, Overland Custom Design sway bar links, rear differential breather extension, oil filter drain hose, a/c drain hose extension & reroute, front windows tint, Cat Security, XPEL headlight/fog & grill protection, OEM block heater, RCBS illuminated 4X4 switch, Weathertech mats, Wet Okole seat covers, Sherpa Grand Teton/Crows Nest, Baja Designs S8 light bar, Diode Dynamics SS3 Pro fog lights, Method 305 NV Double Black, 275/70/17 Toyo R/T Trail.
    Just curious what it ended up being, and... GO SEAHAWKS!!! :woot:
     
    OffroadToy, Sep 6, 2012
    #4
  5. Sep 6, 2012 at 1:12 PM
    #5
    FRYBOTH

    #5
    FRYBOTH [OP] Well-Known Member

    Joined:
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    Member:
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    Messages:
    83
    Gender:
    Male
    First Name:
    Christian
    Seattle
    Vehicle:
    08 Tacoma Base 4x4 2.7L Inline 4
    *SQUAWK SQUAWK* (that's my seahawk noise)

    I'm actually not sure what it was yet. I'm going to pick up a new gas cap from autozone tomorrow since most people seem to go there as a solution, and they are cheap and easy to replace. If not, then I've got three more things to eliminate!
     
    FRYBOTH, Sep 6, 2012
    #5
  6. Sep 6, 2012 at 1:17 PM
    #6
    undecided

    #6
    undecided Well-Known Member

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    San Diego, CA
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    CAI, CB radio, Double Din Stereo, Aero Exhaust, Softopper, BHLM, KODE Push Button Start, Bruteforce Fab Rear bumper, Weathertechs
    I was throwing the same code off and on for a while. I replaced my cap and I havent thrown a code since. I am positive its your gas cap.
     
    undecided, Sep 6, 2012
    #6
  7. Sep 6, 2012 at 2:04 PM
    #7
    OffroadToy

    #7
    OffroadToy old, forgetful, and decomposing

    Joined:
    Sep 12, 2009
    Member:
    #22680
    Messages:
    6,908
    Gender:
    Male
    Vehicle:
    2007 Offroad DCSB AT- VSC,TRAC,HAC, & DAC
    Icon Stage 8, ECGS Bushing, Timbren ubolt flip, Crown extended brake lines, Overland Custom Design sway bar links, rear differential breather extension, oil filter drain hose, a/c drain hose extension & reroute, front windows tint, Cat Security, XPEL headlight/fog & grill protection, OEM block heater, RCBS illuminated 4X4 switch, Weathertech mats, Wet Okole seat covers, Sherpa Grand Teton/Crows Nest, Baja Designs S8 light bar, Diode Dynamics SS3 Pro fog lights, Method 305 NV Double Black, 275/70/17 Toyo R/T Trail.
    Hey...since your getting a new cap check out the Murry locking gas caps at O'reilly's auto parts. :thumbsup: Mines been on for 4 years now with zero issues.

    GO DUCKS!!!
     
    OffroadToy, Sep 6, 2012
    #7
    TownvilleTim likes this.

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