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P0430 Diagnostic Trouble Code Discussion for January 2007

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2001 Nissan Maxima SE 3.0L MIL Lamp on VIN: JNICA31DX1
P0430: Catalyst Efficiency Below Normal (Bank 2). Good morning, we have a PO430 on this Maxima, we have have replaced the cat convertor first because the dealer told him that the cat needed to replaced, we installed reman. cat & sent him on his way. customer returned with check engine PO430 again, so repl...
January 05, 2007
1999 Chevrolet K1500 Suburban 5.7L MIL Lamp on VIN: 3GNFK16RXX
P0430: Catalyst System Low Efficiency (Bank 2). ... heater circut DTC for bank 1 sensor 2 so we check power to the heater on the left rear HO2s and found it to be good so replaced it it came back which we had an aftermarket part in it and put a GM part in it then i came back in again with the same code this...
January 26, 2007