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Gas Cap Pressure

Discussion in '80-Series Tech' started by warpdriv, Feb 29, 2004.

  1. warpdriv

    warpdriv

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    Hey Everyone,

    When I go to fill up my baby, because it's on empty, when I unscrew the gas cap, the tank is pressureized and blows air out as I unscrew the cap.

    Is this normal?

    TIA,
     
  2. IdahoDoug

    IdahoDoug

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    Mine's done it since new. Doesn't seem to follow any particular pattern, ie hot/cold days, freeway/intown driving, etc.

    DougM
     
  3. hpantier

    hpantier

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    every vehicle i have owned has done this. I just sold a 01 tacoma and it did it since new...the LC does it too. It seems that the lower the tank is, the more it does it...more volume available for fumes...maybe?
     
  4. Beowulf

    Beowulf

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