P0420 catalytic converter
welcome to the forum. If you do not have to go through smog inspection with the machine attacted to the car, a full flow cat ( empty ) is good. In Ca. I had to change it back over each 2 years to pass smog, then back to the full flow. There are after market Cats with better flow, but don't know if they will pass Florida smog if any.
Last edited by kurtdaniel; Jun 8, 2010 at 01:26 AM.
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