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  1. #1 Re: p0420 02 gtp 
    Jakegday
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    Default 10-04-2009
    sooo.... arent you concerned about fixing whatevers making it run rich??

    after i deleted my cat, i left my o2 sensor plugged in. i got the 420 code roughly every 4-5 days, i tried unplugging the sensor and i got the code for the missing sensor every day. it was just more conveinient leaving it plugged in
    Last edited by Jakegday; 10-04-2009 at 10:13 AM.
    2001 GT: cat/ubend/resonator delete, zzp PLOG, custom intake, DHP pcm
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