Join Now
International Automotive Technicians Network

P0430 Diagnostic Trouble Code Discussion for April 2005

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
2001 Toyota RAV4 2.0L MIL Lamp on VIN: JTEGH20V11
P0430: Catalyst Efficiency Below Normal (Bank 2). No data for air/fuel ratio sensors. Post cat O2 sensors seem to sweep okay. Has anybody seen the Cat fail at this low of mileage. The inside of the cat looks to be in place and the O2 sensors themselves are normal looking, slightly brownish black with the post...
April 11, 2005
1997 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U0V
P0430: Bank 2 Cat Efficiency below limit. Fellow Tech's - I have a problem with this 1997 Ford Taurus with a 3.0L. It runs fine but turned on the CEL with code PO430, (cat efficiency below limit). Looking at my Red Brick Scanner, the O'2 sensor pids all said zero with the key on engine off with a cold...
April 20, 2005
2001 Toyota RAV4 2.0L MIL Lamp on VIN: JTEGH20V11
P0430: Catalyst Efficiency Below Normal (Bank 2). No data for air/fuel ratio sensors. Post cat O2 sensors seem to sweep okay. Has anybody seen the Cat fail at this low of mileage. The inside of the cat looks to be in place and the O2 sensors themselves are normal looking, slightly brownish black with the post...
April 11, 2005
1997 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U0V
P0430: Bank 2 Cat Efficiency below limit. Fellow Tech's - I have a problem with this 1997 Ford Taurus with a 3.0L. It runs fine but turned on the CEL with code PO430, (cat efficiency below limit). Looking at my Red Brick Scanner, the O'2 sensor pids all said zero with the key on engine off with a cold...
April 20, 2005