Thread: maaaaaaasive fuel leak

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  1. #1 maaaaaaasive fuel leak 
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    Well, the car runs again finally.

    But... The top of injector 4 (back mid) leaks HORRIBLY. It just gushes, sprays everywhere.

    I took the injector out, fiddled with it, replaced both o-rings (again) and put everything back together. Making sure everything was tight and fully seated.

    I think it got worse. I've taken it off again...

    What do?
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  2. #2 Re: maaaaaaasive fuel leak 
    I live here. 02NavyBlue's Avatar
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    Everything looks good on inspection? No cracks, warps, or anything like that?
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  3. #3 Re: maaaaaaasive fuel leak 
    Killa Bee Scottydoggs's Avatar
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    from where is it leaking? top o ring, bottom, or did it split?

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  4. #4 Re: maaaaaaasive fuel leak 
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    Took it apart, again. Replaced orings, again. Swapped 2 of the injectors. Still leaking badly.

    Fuel is pushing upward from the injector.

    Could the pigtail be bad, and it's not communicating with the injector?

    It's got to be one of 2 things.

    The fuel rail got bent somehow.

    Or injector pigtail 4 isn't communicating. Leaving the injector closed. I did just notice the insulator is missing inside of it.

    But if that were the case, wouldn't fuel just flow past it?

    It wasn't leaking as bad this 4th time. =/

    Looks like that bluetooth obd in reader wasn't such a bad investment this summer.

    Just gotta figure out how to use it.
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  5. #5 Re: maaaaaaasive fuel leak 
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    The top of injector 4,at the fuel rail.

    "injector seal", what's that?

    Apparently you can just plug a parking light bulb into your injector socket to test it. LMAO.

    Odd.
    Last edited by Thompsju; 10-25-2013 at 06:35 PM.
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  6. #6 Re: maaaaaaasive fuel leak 
    I live here. ericspecullaas's Avatar
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    grab one from a junk yard and see if that fixes it. also grab the fuel rail as well dont need ot make 2 trips out of it.
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
    please learn to forum better.
    ^^new favorite quote
    Quote Originally Posted by Kilroy View Post
    It is a type of spiced shortcrust biscuit.
    only one person looked it up lol
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  7. #7 Re: maaaaaaasive fuel leak 
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    I have $18 in my account.

    This car has ruined me.
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  8. #8 Re: maaaaaaasive fuel leak 
    Killa Bee Scottydoggs's Avatar
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    if swapping the injector and new o rings dont stop it from leaking id think the fuel rail got bent some how, or some thing is keeping it from seating in the rail.

    clogged injector wont leak fuel it just wont spray fuel out the nozzle.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  9. #9 Re: maaaaaaasive fuel leak 
    I live here. ericspecullaas's Avatar
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    scotty your almost at 14,000 posts man
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
    please learn to forum better.
    ^^new favorite quote
    Quote Originally Posted by Kilroy View Post
    It is a type of spiced shortcrust biscuit.
    only one person looked it up lol
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  10. #10 Re: maaaaaaasive fuel leak 
    Killa Bee Scottydoggs's Avatar
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    im creeping up there, bam theres one more lol

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  11. #11 Re: maaaaaaasive fuel leak 
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    Could I bring it to a machine shop or something to get it looked at?
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  12. #12 Re: maaaaaaasive fuel leak 
    Killa Bee Scottydoggs's Avatar
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    take the fuel rail to a machine shop? why? if its damaged replace it.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  13. #13 Re: maaaaaaasive fuel leak 
    I live here. ericspecullaas's Avatar
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    thays why i said this



    Quote Originally Posted by ericspecullaas View Post
    also grab the fuel rail as well dont need ot make 2 trips out of it.
    im a cookie again yay me
    Quote Originally Posted by Bio248 View Post
    please learn to forum better.
    ^^new favorite quote
    Quote Originally Posted by Kilroy View Post
    It is a type of spiced shortcrust biscuit.
    only one person looked it up lol
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  14. #14 Re: maaaaaaasive fuel leak 
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    Do they accept payment in tears? Im outta money!!!!!
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  15. #15 Re: maaaaaaasive fuel leak 
    Killa Bee Scottydoggs's Avatar
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    take yours off, bring it to the junk yard walk in with it, show the guy hey im bring this in to match it up. then swap it, take the jy one out with you, leave yours there.

    some places will let this fly, some wont.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  16. #16 Re: maaaaaaasive fuel leak 
    I live here. 02NavyBlue's Avatar
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    Quote Originally Posted by Scottydoggs View Post
    take yours off, bring it to the junk yard walk in with it, show the guy hey im bring this in to match it up. then swap it, take the jy one out with you, leave yours there.

    some places will let this fly, some wont.
    How will they not? Just say you couldn't find a better one.
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
    Sold.
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  17. #17 Re: maaaaaaasive fuel leak 
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    Or cram it down my pants.
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  18. #18 Re: maaaaaaasive fuel leak 
    GT Level Member primem's Avatar
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    Quote Originally Posted by Thompsju View Post


    Apparently you can just plug a parking light bulb into your injector socket to test it. LMAO.
    depends on what type of drivers the pcm uses for injector control. putting a low resistance bulb into a saturated type injector circuit that expects 13ohms can fry the driver.
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  19. #19 Re: maaaaaaasive fuel leak 
    GrandPrix Junkie
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    I know this may be a dumb question, but have you checked to see if there is an old o-ring or something stuck in the rail on #4?
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  20. #20 Re: maaaaaaasive fuel leak 
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    I finally gave in and took the fuel rail off.

    Good news and bad news.

    Good news: the fuel rail is the problem
    Bad news: the fuel rail is the problem

    The #4 fuel rail injector inlet is indeed bent, more like crimped. Not too bad, but obviously bad enough. So instead of messing with it any more, I'm just going to replace it.

    My dad has been friends with a guy in my home town that, in fact, owns a junk yard. So I called him this morning.

    $25 for a fuel rail (with the injectors). Win.

    I might end up making money on this hiccup after all.
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