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Gas Cap

Discussion in '1st Gen. Tacomas (1995-2004)' started by Albinator, Dec 1, 2016.

  1. Dec 1, 2016 at 9:03 PM
    #1
    Albinator

    Albinator [OP] Well-Known Member

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    Twice in two weeks my engine light came on running code P0450. My current gas cap doesn't click when turning as it says it should do my first diagnostic is to replace the gas cap. Question is, do I get the OEM from Toyota in my neighborhood for $35, get the OEM from eBay and wait longer to get it https://www.ebay.com/itm/112009654693 or get one off Amazon https://www.amazon.com/dp/B000B8JUNY/ref=cm_sw_r_sms_c_api_cFnqybKZJHQ36
     
  2. Dec 1, 2016 at 9:19 PM
    #2
    PROseur

    PROseur Well-Known Member

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    Oem
     
    Ritchie likes this.
  3. Dec 2, 2016 at 12:48 AM
    #3
    Wyoming09

    Wyoming09 Well-Known Member

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    Just depends how long you want to wait.

    I think I have a Stant gas cap on mine for some time
     
  4. Dec 2, 2016 at 2:09 AM
    #4
    Speedytech7

    Speedytech7 Toyota Cult Ombudsman

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    I've done a mod or two
    Stant is the oem supplier
     
    phoenix ray likes this.
  5. Dec 2, 2016 at 10:39 AM
    #5
    skeezix

    skeezix Well-Known Member

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    If the original gas cap is still made by Stant, does that mean that the Stant gas caps one can buy at Autozone etc. are made to the same specifications as the one that came with the truck when the truck was first sold? I'm thinking that maybe what's available now might be made to a lesser specification.

    Of course, I don't know what a Stant gas cap looks like nowadays because the last one I bought was a locking one back in 1979 during when lines at the gas stations were pretty long and stealing gas from parked cars was in vogue.

    My gas cap does not say "Stant" on it. A small letter "S" is embossed on the top edge and the words "Made in the U.S.A." are embossed on the rim along with an SAE number. The cap has no other markings inside or out. I bought the truck with 6 miles on it from a dealer, and its seal is still flexible, without cracks, and seals great.
     
  6. Dec 2, 2016 at 10:46 AM
    #6
    KdF

    KdF Old Rednek Type

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    Ran over mine 2 years ago when I was hunting, went across the street and bought one at NAPA for $10. Been fine since.
     
  7. Dec 2, 2016 at 10:48 AM
    #7
    Wulf

    Wulf web wheeler

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    yes
    Just go get one from the parts store and save your money.
     
  8. Dec 2, 2016 at 11:51 AM
    #8
    Speedytech7

    Speedytech7 Toyota Cult Ombudsman

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    I've done a mod or two
    Pick one up at NAPA and don't worry, it's plastic with a small vent valve to the charcoal can and an o-ring not the integral seal to a submersible battle ship.
     
    Wulf likes this.
  9. Dec 3, 2016 at 7:22 AM
    #9
    Albinator

    Albinator [OP] Well-Known Member

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    Looking at my gas cap again, I realized the rubber o ring wasn't sitting at top. I remember pushing it back up the first time the light came on after filling up. Looks like it did it again after filling up again and the light has gone and stayed off. Cap still doesn't click as it says it should but if the lights off I'll live with it for now.
     
  10. Dec 3, 2016 at 10:05 AM
    #10
    skeezix

    skeezix Well-Known Member

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    True, true...
     
  11. Dec 3, 2016 at 12:44 PM
    #11
    Wyoming09

    Wyoming09 Well-Known Member

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    I carry a extra gas cap in the truck

    Never fails I either drop it and it gets run over.

    It rolls under the truck
     
  12. Jun 6, 2020 at 8:37 PM
    #12
    YE2KA

    YE2KA Well-Known Member

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    Anybody know if gwn 3 gas cap have a seal or gasket. I accidentally left my fuel hatch open and went into the car wash didnt realize untils i got home. Hoping modern gas caps have a seal tight fit to them if not im screw
     
  13. Jun 6, 2020 at 8:45 PM
    #13
    3JOH22A

    3JOH22A Cunning Linguist

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    There's an O-ring on the cap to keep water out and to prevent fuel vapors from leaking out. The fuel door doesn't keep out the elements. If you drive off-road, the area inside the fuel door gets quite dusty. I usually hose out the area after a wheeling trip.
     
    YE2KA likes this.
  14. Jun 6, 2020 at 10:11 PM
    #14
    YE2KA

    YE2KA Well-Known Member

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    Cool thanks for the reassurance. Im sure they have some sort of seal but wasnt sure. I didn't know direct hose spray is safe to do.
     
    Last edited: Jun 9, 2020
  15. Jun 7, 2020 at 3:02 AM
    #15
    Wyoming09

    Wyoming09 Well-Known Member

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    Just curious what year did they go to a O ring ??

    I bet the O ring is simple to replace when it gets worn and starts to leak.

    Mine still has a gasket and it was easier to just get a new cap then replace the gasket
     
  16. Jun 7, 2020 at 2:19 PM
    #16
    3JOH22A

    3JOH22A Cunning Linguist

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    YE2KA likes this.
  17. Jun 7, 2020 at 2:26 PM
    #17
    _gray_knight_

    _gray_knight_ Well-Known Member

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    Nothing crazy!
    Been using the same Stant locking gas cap since 2010. Had this cap on my 2gen. The 3gen uses the same part number/cap listed with Stant. Moved it over from my 2gen when I traded up.
     
    YE2KA and 3JOH22A like this.
  18. Oct 27, 2020 at 3:26 PM
    #18
    hmsailor

    hmsailor Well-Known Member

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    is the stant gas cap the oem supplier for toyota? also, do you get a engine warning light because of an aftermarket gas cap?
     
    Last edited: Oct 30, 2020
    Boone Wesley likes this.
  19. Oct 27, 2020 at 3:40 PM
    #19
    Black DOG Lila

    Black DOG Lila Well-Known Member

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    Stock. EZ pass.Dump pass.Inspection sticker.Convict printed lic.plates.FG cap.
  20. Oct 28, 2020 at 2:02 AM
    #20
    Wyoming09

    Wyoming09 Well-Known Member

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    I keep an extra gas cap in my vehicles over the years my fumble fingers have dropped the gas cap and it rolls under the truck and gets run over.

    Ends up under another vehicle the driver vanishes inside seems like for good waiting 20 minutes was long enough install the new cap and leave.
     

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