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P0430 Diagnostic Trouble Code Discussion for February 2015

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2003 Toyota Camry LE 3.0L MIL Lamp on VIN: 4T1BF32K73
P0430: Catalyst Efficiency Below Normal (Bank 2). ... recurring P0420. It had been setting consistently for months. The oxygen absorption was in the 1-2 second range for both banks, so we replaced them with Walker cats along with the AF and O2 sensors from Denso. A few months later, the code came back and aft...
February 25, 2015