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
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    cat issues

    hi,
    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
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    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
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    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).

  5. #4
    Pro Manscaper Mikie13's Avatar
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    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 Lightning Red WRX Sedan
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  6. #5
    Registered User cmayba's Avatar
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    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.

  7. #6
    OMG WTF MainFrame's Avatar
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    Quote Originally Posted by trailzend View Post
    cat issues



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