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06/10/2021 7:56 am
Topic starter
I have a 96 Camry, automatic transmission, with 115k miles. P0420 code popped up so I am replacing the front catalytic converter. I have already replaced the O2 sensors. How do I make sure the new catalytic converters doesn’t fail again?
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06/10/2021 12:02 pm
Make sure your engine is running fine. Not lean, not rich. Also, it does not burn oil and/or coolant.
