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Another EGR question

This is a discussion on Another EGR question within the General Help forums, part of the LSx Technical Help Section category; Sorry if this is a repost or in the wrong place. I am looking for some directions and possibly some ...

  1. #1
    Member egod's Avatar
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    Another EGR question

    Sorry if this is a repost or in the wrong place. I am looking for some directions and possibly some pictures on cleaning the egr. I have been researching fixes and heard that cleaning can be useful. I am not going to remove it and tune it out at this time, and i would like to try this step before replacing it. I have found a lot of stuff but nothing LS1 specific. Any information would be greatly appreciated cause i have to fix this and an evap problem by august to take it to emissions. Thanks folks!

  2. #2
    Member 666ws6's Avatar
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    2000 Trans Am Ws6 #2946

    I once had one go bad, and I bought a new one. I took apart the old one and it had a ball-valve rusted/jammed in place. I don't seem to recall thinking it was cleanable. I have since removed my whole EGR system and tuned it out. If you want my replacement valve to try to clean, PM me an offer and zip code. I think it has about 30k miles on it.
    Last edited by 666ws6; 06-09-2009 at 08:13 PM. Reason: spelling

  3. #3
    MANWHORE TEAM suede's Avatar
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    Depending on your emissions laws, i would just remove the system, it is basically useless from a efficiency point of view, and clutters up the engine bay....
    Black 2000 Trans am WS.6, P&P MAF & TB, TB bypass, Fernco, Volant CAI, EGR! and AIR!, Kooks 1 7/8" race headers, QTP ORY W/Dual E-cutouts, Spec 3 clutch, RAM master and slave cylinders, 20% tint, 2 Alpine 10's/Rockford 1200amp, Pioneer head-unit, Corsa Clones, Metallic Silver Stripes, TTMs,

  4. #4
    Impounded
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    Do you have visual, sniffer or OBDII inspections in the Chicago???

    If you have visual or sniffer.. keep the egr.

    OBDII, ditch it.

    I rock the SES light

  5. #5
    Member egod's Avatar
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    Quote Originally Posted by suede View Post
    Depending on your emissions laws, i would just remove the system, it is basically useless from a efficiency point of view, and clutters up the engine bay....
    yeah thats why i said right now i want to KEEP it, i know it sucks but so does losing the ozone.

    Quote Originally Posted by JoshieDoom View Post
    Do you have visual, sniffer or OBDII inspections in the Chicago???

    If you have visual or sniffer.. keep the egr.

    OBDII, ditch it.

    I rock the SES light
    I am sure it will be an OBDII test cause that is what the notice was talking about. i want to wait to see how the test goes first before i consider removing it. If all they do is plug me in then i get rid of it and send it out to frost for a retune.

  6. #6
    Member egod's Avatar
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    By the way thanks 666ws6. If there is anyone in chicago who knows what kinda test it is and/or if they have their egr that would be great.

  7. #7
    Member NaviDyn's Avatar
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    EGR reduces the need for a higher octane rating. I would hardly call that useless.

    Can I assume GM is not flowing EGR at WOT anyway? That would be typical not to flow at WOT, and above a certain RPM.

    And it has no bearing on ozone. But that is another thread.

  8. #8
    Moderator Cutlass's Avatar
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    I'm not trying to get all tree huggy here, but EGR reduces NOx emmisions.
    Ground-level ozone (smog) is formed when NOx and volatile organic compounds
    (VOCs) react with heat and sunlight. Children, asthmatics and people who work
    or exercise outside are susceptible to adverse effects such as lung tissue
    damage and decreased lung function. Ozone also damages vegetation and
    reduces crop yields.
    NOx is also a greenhouse gas if you believe in global warming. I kinda sorta do...sometimes

    With that being said, yes you can remove the EGR and spray off the carbon from the pintle valve at the bottom. You can also push the pintle in a bit and spray some inside the valve. Theres not much to clean but that may help
    Last edited by Cutlass; 06-12-2009 at 06:44 PM.

  9. #9
    Member egod's Avatar
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    Thanks again guys, i'm gonna run the seafoam and try it (and yes, i read all the threads about it and i'm still doing it!) if that doesn't do it then i will clean it, thenif all else fails replace it.

  10. #10
    I lika da Chevy's LETHALxLS1's Avatar
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    Quote Originally Posted by Cutlass View Post
    I'm not trying to get all tree huggy here, but EGR reduces NOx emmisions.
    Ground-level ozone (smog) is formed when NOx and volatile organic compounds
    (VOCs) react with heat and sunlight. Children, asthmatics and people who work
    or exercise outside are susceptible to adverse effects such as lung tissue
    damage and decreased lung function. Ozone also damages vegetation and
    reduces crop yields.
    NOx is also a greenhouse gas if you believe in global warming. I kinda sorta do...sometimes

    With that being said, yes you can remove the EGR and spray off the carbon from the pintle valve at the bottom. You can also push the pintle in a bit and spray some inside the valve. Theres not much to clean but that may help

    I wonder if Children,asthmatics,and people who work or exercise outside are having any issues from the tons of pollutants factories blow into the air /water? Or toxic waste landfills and leaking barrels of toxic waste in the ocean.
    Last edited by LETHALxLS1; 06-12-2009 at 06:20 PM.

  11. #11
    Moderator Cutlass's Avatar
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    heheh I copied and pasted that from a different website and didn't even really read that part about "Children,asthmatics,and people who work or exercise outside..."
    Sounds kinda goofy
    And for what its worth, I'm not too tree huggy. I removed my AIR and EGR.

  12. #12
    I lika da Chevy's LETHALxLS1's Avatar
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    Quote Originally Posted by Cutlass View Post
    heheh I copied and pasted that from a different website and didn't even really read that part about "Children,asthmatics,and people who work or exercise outside..."
    Sounds kinda goofy
    And for what its worth, I'm not too tree huggy. I removed my AIR and EGR.

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