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Cat replacement question

Discussion in 'General Technical / How To' started by cbass, Mar 29, 2004.

  1. cbass
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    cbass Member

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    [Mar 29, 2004]
    Dealer said that the O2 sensors need to be replaced with a catalytic converter replacement. I can not think of any good reason why?? If the O2 sensors are still good, they should work on the new cat, right???
    Please help!
    Thanks
    -Brad /ubbthreads/images/graemlins/jawdrop.gif
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  3. peteA3tdi
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    peteA3tdi Member

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    [Apr 2, 2004]
    you will need to check exhaust emissions to see if your old O2 sensor is working if the lamba is whong it will burn out your new kat
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