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Thread: Explain Gas Tank Pressurization To Me...?

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  1. #1
    Join Date
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    Get a $10 vented fuel cap ....... problem solved
    2002 Tahoe 4.8 - soon to be turbo'd - SOLD
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  2. #2
    Join Date
    Oct 2003
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    473

    Thumbs up

    Quote Originally Posted by r.barn View Post
    Get a $10 vented fuel cap ....... problem solved
    Good idea. Yeah, I already removed ALL my EVAP equipment & programmed it out of the computer, years ago. No issues at all there. Just inquiring about fuel tank pressurization/venting...so buying a vented gas cap sure sounds like a simple fix, to a questionable situation. Thanks again guys.

  3. #3
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    May 2008
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    Round Rock, TX
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    I ran a 3/8 line off of the sending unit up to where the gas filler is and used a rear end breather on it...no problems here

  4. #4
    Join Date
    Oct 2003
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    Gas Tank Ventage

    Quote Originally Posted by DBRODS View Post
    I ran a 3/8 line off of the sending unit up to where the gas filler is and used a rear end breather on it...no problems here
    Hmmmm...another good idea. Do they sell rear end breathers at the local auto parts store, or...? Thanks

  5. #5
    Join Date
    May 2004
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    2,120
    LS1GMCTRuck, my fuel setup is just like yours with no issues here. I plugged at the canister, removed the evap solenoid and deleted out of the pcm. Your should be fine but a vented cap wouldn't hurt.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  6. #6
    Join Date
    Oct 2003
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    473
    Quote Originally Posted by NITROUS View Post
    LS1GMCTRuck, my fuel setup is just like yours with no issues here. I plugged at the canister, removed the evap solenoid and deleted out of the pcm. Your should be fine but a vented cap wouldn't hurt.
    O.K. Lance...Thank-you.

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