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  • #1

    Vacuum Line missing

    Hey, Im new to the forum, and I know there are alot of people here with helpful info. I ahve a 96 Firebird with a 3.8. My car is running really bad. Rough idle, sputtering when accelerating. I found that on the pass. side, there is a vacuum line missing from one of the egr devices. It is the round one located further back, not the square on in the front. There are 2 vacuum lines in it right now, 1 big one on the front going to the other little square device. The other is located on the back, and it goes sround the back of the manifold, and connects to some vacuum line. There is one on the side that is missing. Does anyone have a diagram, or know where that line goes, all there is is a spigot sticking out, and no vacuum lines in sight. Someone please help, and could this also be the cause of my car running bad. Please help.

    [ July 04, 2002: Message edited by: Formulao96 ]</p>
    New Car--- 2000 Trans Am M6--SLP Lid, K7N Filter, 160 degree Thermostat, Loudmouth Exhaust, Smooth bellows, MAF ends, ASP Pulley, 4.10 gears, Y2K Chrome Vette Wheels, 2\" drop.. More to Come<p>Dyno <br />325 RWHP <br />325 RWTQ<p>Cardomain Site <a href=\"http://www.cardomain.com/id/formulao96\" target=\"_blank\">www.cardomain.com/id/formulao96</a>
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  • #2
    <blockquote>quote:</font><hr>Originally posted by Formulao96:
    ...Rough idle, sputtering when accelerating. I found that on the pass. side, there is a vacuum line missing...

    Does anyone have a diagram, or know where that line goes... and could this also be the cause of my car running bad.    <hr></blockquote>

    Yes, a missing (or even leaking or cracked) vacuum line can definitely cause the problems you described. There should be a diagram on the underside of your hood, showing the vacuum line routings.
    \'98 A4 Camaro v6-&gt;v8 conversion, and STS kit next<br />v6: 13.6 Powerdyne, 13.2 150 shot, 13.8 120 shot, 14.3 85 shot, 15.7 stock<br />v8(na): 12.18@113, 392rwhp<br />Moderator on <a href=\"http://www.mtfba.org\" target=\"_blank\">www.mtfba.org</a> and <a href=\"http://www.frrax.com\" target=\"_blank\">www.frrax.com</a> (Road Race & Autocross)<br /><a href=\"http://community.webshots.com/user/johnduncan10\" target=\"_blank\">Car pics</a>, <a href=\"http://www.trscca.com\" target=\"_blank\">TN Region SCCA</a>

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    • #3
      There is a diagram, but the round egr device it shows has only 2 lines, but there is three on there. Can someone with a 96 or 97 Firebird/Camaro with a 3.8 check to see where the vacuum line coming out of the left goes to. Thanks
      New Car--- 2000 Trans Am M6--SLP Lid, K7N Filter, 160 degree Thermostat, Loudmouth Exhaust, Smooth bellows, MAF ends, ASP Pulley, 4.10 gears, Y2K Chrome Vette Wheels, 2\" drop.. More to Come<p>Dyno <br />325 RWHP <br />325 RWTQ<p>Cardomain Site <a href=\"http://www.cardomain.com/id/formulao96\" target=\"_blank\">www.cardomain.com/id/formulao96</a>

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      • #4
        I just went out and checked and that spigot you refered to is vented to the open air, so it is supposed to be like that. I don't have any problems so my guess is thist isn't your culprit. Hopefully someone else will look and see that if theirs is the same way.

        By the way...Bristol TN??? if so we should set up a Thursday for members in this area to head to Thunder Valley for Thursday Night Street Fights.
        Jared W. Drummond<br />jdrummon@vt.edu<br />1997 3.8 Firebird M5<br />-----------------------------------<br />*Flowmaster 80 Series Muffler* *SLP Cold Air Intake* *Zexel-Torsen LSD* *1-Piece DS* *Eibach Pro-Kit* *Removed MAF Screen* *Manual Fan Switch* *Mobil 1 Oils*<br />-----------------------------------<br />*Pioneer Premier DEH-920R Headunit* *Orion Cobalt 6 1/2\'s* *Sub Stealth Box w/ Alpine SWR-1021D* *Kenwood 728S Amp for Sub*

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        • #5
          Sorry, thats bristol RI. I am going to check that other vacuum line, because it is off a little, and it as a little dry rotted. I am going to replace all of the lines, and clean the egr system.
          New Car--- 2000 Trans Am M6--SLP Lid, K7N Filter, 160 degree Thermostat, Loudmouth Exhaust, Smooth bellows, MAF ends, ASP Pulley, 4.10 gears, Y2K Chrome Vette Wheels, 2\" drop.. More to Come<p>Dyno <br />325 RWHP <br />325 RWTQ<p>Cardomain Site <a href=\"http://www.cardomain.com/id/formulao96\" target=\"_blank\">www.cardomain.com/id/formulao96</a>

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