Join Now
International Automotive Technicians Network

P0430 Diagnostic Trouble Code Discussion for August 2007

Catalyst System Low Efficiency (Bank 2)


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2003 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X93
P0430: Catalyst System Low Efficiency (Bank 2). ... did an fuel inj service, the Ck Engine has been coming on with a code P0430, but the truck runs good etc, the customer is concerned about the light. Bank 1, oxygen sensor 2 seems to be slow to responding, but the code refers to bank 2.
August 06, 2007
2003 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X93
P0430: Catalyst System Low Efficiency (Bank 2). ... did an fuel inj service, the Ck Engine has been coming on with a code P0430, but the truck runs good etc, the customer is concerned about the light. Bank 1, oxygen sensor 2 seems to be slow to responding, but the code refers to bank 2.
August 06, 2007