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Codes P0441, P0455, P0456 came up

Discussion in '2nd Gen. Tacomas (2005-2015)' started by valkener, Jan 13, 2020.

  1. Jan 13, 2020 at 5:29 AM
    #1
    valkener

    #1
    valkener [OP] Member

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    Took my Tacoma in for emissions inspection and oil change to a trusted mechanic. They said this code came on, but emissions passed anyway so registration was renewed.

    Could this be as simple as the gas cap or is this more involved? Mechanic said perhaps the canister needs to be replaced, but to check with dealership. Any advice? Also, anyone know a mechanic in PA that has dealt with these exact codes.

    Thanks!
     
    valkener, Jan 13, 2020
    #1
  2. Jan 13, 2020 at 5:58 AM
    #2
    Wattapunk

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    Wattapunk Stay lifted my friends !

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    I would start with checking to make sure the gas cap is tight or even replace it, clear the code and see if it comes back. Also check for the condition of the hoses but next item would be the canister purge valve if needed.
     
    Wattapunk, Jan 13, 2020
    #2
  3. Jan 13, 2020 at 6:45 AM
    #3
    b_r_o

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    b_r_o Beef jerky time

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    10+ yr old gas cap.. replace it, clear codes, see if codes return. Cheap first step

    Use a OEM cap
     
    b_r_o, Jan 13, 2020
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    REDdawn6 likes this.
  4. Jan 13, 2020 at 9:40 AM
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    REDdawn6

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    REDdawn6 Well-Known Member

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    I got an OEM cap from Amazon, was like $18
     
    REDdawn6, Jan 13, 2020
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    b_r_o likes this.
  5. Jan 13, 2020 at 10:59 AM
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    valkener

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    valkener [OP] Member

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    I actually got
    $24 Toyota Fuel Cap - 77300-06040
    this one a year ago. I know I dropped it a few times. Also, my wife overfilled after the first "click" unfortunately. But it sounds like I need to replace the gas cap asap just to find out.
     
    valkener, Jan 13, 2020
    #5
  6. Jan 13, 2020 at 11:02 AM
    #6
    valkener

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    valkener [OP] Member

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    I had gotten
    $24 Toyota Fuel Cap - 77300-06040
    this cap a year ago. However, now having these issues. I know I dropped the cap a few times and also my wife has overfilled the gas tank at least twice :(.
     
    valkener, Jan 13, 2020
    #6
  7. Jan 13, 2020 at 6:33 PM
    #7
    SilverFox15

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    SilverFox15 Member

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    Check out the link below.

    https://www.700r4transmissionhq.com/p0441-toyota-tacoma/

    But like b_r_o said, go with the cheap fix first. Unless you cracked the cap after dropping it a few times will cause the CEL but I would check the fuel cap O-ring too, if you see cracks on the O-Ring then that might be your problem.
     
    SilverFox15, Jan 13, 2020
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  8. Jan 13, 2020 at 9:26 PM
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    Tacoian

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    Tacoian Well-Known Member

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    Try gas cap first. Then look into other options. I’m still having trouble with mine but I think I’m a special case lll
     
    Tacoian, Jan 13, 2020
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  9. Feb 15, 2020 at 1:40 PM
    #9
    kn61408

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    kn61408 Retired old fart

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    kn61408, Feb 15, 2020
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    TnShooter likes this.
  10. Feb 17, 2020 at 2:01 AM
    #10
    TACOMA2NDGEN

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    TACOMA2NDGEN Well-Known Member

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    Also clean the spout of the filler neck . Just a little bit of grim will cause air to get sucked in.
     
    TACOMA2NDGEN, Feb 17, 2020
    #10

Products Discussed in

RKX Gas cap replacement seal COMPATIBLE WITH: Toyota/Lexus : Camry Corolla Avalon Tundra
$7.95
Toyota Fuel Cap - 77300-06040
$23.74
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