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P0430 Diagnostic Trouble Code Discussion for March 2016

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2003 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WP0BA29953
P0430: Bank 2 CAT efficiency. Hi this one was brought to me from a Dodge dealer that sold this Porsche on the used car lot. Both CAT's are producing efficiency codes and they replaced both CAT's and all 4 02 sensors, with OEM parts. Looking at the Data the 02's are switching ok. Can a mixt...
March 17, 2016