cat issues
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This is a discussion on cat issues within the Clubwrx Website/Forum Support - Report Errors forums, part of the Community - Meet other Enthusiasts category; hi, 2005 wrx wagon with 150k on it, front cat is going bad setting of the chk engine light with ...

  1. #1
    Registered User
    Join Date
    Jan 2014

    cat issues

    2005 wrx wagon with 150k on it, front cat is going bad setting of the chk engine light with an o2 sensor read. if I punch out the front cat will the chk engine keep coming on? any performance issues? safety issues? fumes etc?
    thx and hav a good one

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  3. #2
    Registered User xFalleNx's Avatar
    Join Date
    Nov 2010
    Voorhees, NJ
    why not just replace the o2 sensor?....
    --Anthony 2011 DGM WRX stg2+sf intake WTFtuned ¯\_(ツ)_/¯

    Official Subie owner as of 01/10/11
    Stink Eye Mob #87

    Bye bye Bimmer
    Hellooo '11 REX

  4. #3
    MAINEiac 11blackSTi's Avatar
    Join Date
    Nov 2012
    Land of the Port. ME
    I Support ClubWRX
    You will always have the cell firing on if you have the bad cat (or no cat), unless you override it via tune (for example, when you go stage 2 on a COBB map with a high flow cat downpipe, the tune disables that cell).

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  6. #4
    Pro Manscaper Mikie13's Avatar
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    Oct 2006
    Palmyra, NJ
    Has the UP been replaced? If not, it should be with something catless...
    The Hawk-Eye Alliance #90|The Blobeye Syndicate #0|The Stink-Eye Mob #0|N.E.R.D. Founding Member & #3

    2012 Ford Mustang GT Premium|Kona Blue|5.0L Coyote V8|6spd Manual|Corsa Catback Exhaust

  7. #5
    Registered User cmayba's Avatar
    Join Date
    Feb 2013
    Upstate NY
    I've got issues with my cat too, he's always running around the damn house at 4am like a fool!

    Seriously though, on my old Honda I went catless to fool the ECU I welded a longer bung on it which backed the o2 sensor out of the exhaust stream so the ECU read a difference between the 1st and 2nd o2 sensor.

    That was the Honda however, I'm not sure if it will work on a WRX. I don't see why it wouldn't.

  8. #6
            MainFrame's Avatar
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    Sep 2002
    Austin, TX
    I Support ClubWRX I Support ClubWRX
    Quote Originally Posted by trailzend View Post
    cat issues

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