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bad catalytic converter

This is a discussion on bad catalytic converter within the GTO forums, part of the Vehicle Specific category; Okay feel free to move this if it is in the wrong thread. My 2004 GTO has straight pipes on ...

  1. #1
    Member KJax2010's Avatar
    Join Date
    Aug 2007
    Kokomo, IN

    Impulse Blue Metallic
    2005 GTO

    bad catalytic converter

    Okay feel free to move this if it is in the wrong thread.

    My 2004 GTO has straight pipes on it. Thats the way I bought it and lately have heard a rattle/vibration/squeaky noise cause by the pipes. Well this morning I took it into a well trusted muffler shop and they did some welding on the pipes brackets which helped some but they also said the catalytic converters were shot. They said that material from inside the catalytic converters had broken up and got lodged in my pipes. I was just wondering for suggestions on what is the best route to go on this? Any help is appreiciated.

    Also I think a previous owner has done something to the computer because no engine light warning is coming on?

  2. #2
    Grand Imperial Wizard Sarge's Avatar
    Join Date
    Aug 2005
    Texas Department of Corrections
    Retired Outlaw Sum Bitch

    I'd delete the rear o2's and gut 'em.

  3. #3
    ʢ ൧ ൨ ൩ ൪ ൫ ൬ ൭ ൮Ր Ց Ւ Փ Smittro's Avatar
    Join Date
    Feb 2009

    2008 Hummer H3

    Quote Originally Posted by Sarge View Post
    I'd delete the rear o2's and gut 'em.
    yup x2

    Suggestion: If you are particularly irritated by another member's posting habits and are constantly fighting the urge to flame them, you can click on that person's profile, and select "Add to ignore list." This will make that person's posts invisible to you.

  4. #4
    Senior Member qwkgto's Avatar
    Join Date
    Mar 2008
    OHIO"S only 9 second GTO

    Phantom Black Metalic
    2005 GTO

    yes delete them ,anyone with software can do that for you,I have some 05 gto cats ill sell if you still want to run them 41,000 miles on em.

  5. #5
    Junior Member
    Join Date
    Mar 2007
    queens n.y.

    2006 gto

    check to see your not running to rich

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