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P0420 Code ?

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Old 04-07-2008, 10:33 AM
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Default P0420 Code ?

I have this code poping up,I did A search and many said it seems to be a defective cat.My Question is,I had new High Flow spun cats installed less than 2k miles ago and pretty sure its not the cats.Could the o2 sensor be bad?Thoughts?
Old 04-07-2008, 10:39 AM
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just turn the code off you dont need it. Even if you dont have softwear getting the code deleted will be cheper than o2 sensor.
Old 04-07-2008, 03:21 PM
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Its because those cats arent nearly as efficient as the OEs. Turn the codes off. They wont stop popping up.




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