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P0430 Diagnostic Trouble Code Discussion for September 2008

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2005 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3EL46R35
P0430: Catalytic 2/1 Converter Efficiency. I have worked on 5 - 10 vehicles that set these codes for catalytic converter efficiency. In each case, I have been unable to determine why the catalyst monitor fails. I have replaced both catalysts, all 4 O2 sensors and the PCM on one car before it was fixed....
September 05, 2008
2001 Nissan Pathfinder LE 3.5L MIL Lamp on VIN: JN8DRO7Y41
P0430: Catalyst Efficiency Below Normal (Bank 2). ... sensors and the maf sensor codes po300, po171, p1145 all went away, But were replaced with p1491 (evap) po420 (cat efficiency) po430 (cat efficiency)..These "new codes" make me suspect that the system is doing a more complete self test now that the...
September 23, 2008
2005 Dodge Stratus SXT 2.7L MIL Lamp on VIN: 1B3EL46R35
P0430: Catalytic 2/1 Converter Efficiency. I have worked on 5 - 10 vehicles that set these codes for catalytic converter efficiency. In each case, I have been unable to determine why the catalyst monitor fails. I have replaced both catalysts, all 4 O2 sensors and the PCM on one car before it was fixed....
September 05, 2008
2001 Nissan Pathfinder LE 3.5L MIL Lamp on VIN: JN8DRO7Y41
P0430: Catalyst Efficiency Below Normal (Bank 2). ... sensors and the maf sensor codes po300, po171, p1145 all went away, But were replaced with p1491 (evap) po420 (cat efficiency) po430 (cat efficiency)..These "new codes" make me suspect that the system is doing a more complete self test now that the...
September 23, 2008