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Hello Guys.
I have a VW new beetle 2003
A month ago I had a Check Engine Light on. Error was about Catalytic Converter. (i checked in two services).
I read posts about how important this part is, and I changed it (I took not original because of the price). Unfortunately, today CEL appeared again. I know that in service they will tell me that i had to have an original part. But i am sure that this was not a Converter. What it can be? Can it disappear by itself some day? Can I drive with this error? I feel uncomfortable with it switching ON.

Thank you in advance
 

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Please post the specific OBDII trouble codes AND the Freeze Frame data.

The only code that comes to mind that is common is P0420. Often the cause of P0420 is not a bad converter.

I have also used aftermarket converters with NO errors.

Something else may be wrong.
 
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