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P0430 Diagnostic Trouble Code Discussion for September 2009

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1999 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 1GCEK19TXX
P0430: Catalyst System Low Efficiency (Bank 2). This one seems to have a P0430 that will NOT go away. Dealer replaced the converter last year, plugs & wires have been done by someone since then. I just replaced all 4 oxygen sensors. the customer says that the light came back one just a few miles after p...
September 02, 2009
2003 Toyota RAV4 2.0L MIL Lamp on VIN: JTEHH20V43
P0430: Catalyst Efficiency Below Normal (Bank 2). Vehicle requires repair for state inspection and I don't want to replace the cat and find out there is some other problem triggering these codes. I am suspicious because the diagnostic information in Alldata - supposedly right from Toyota - mentions that the A...
September 04, 2009
2006 Dodge Charger SXT 3.5L Stall, MIL Lamp on VIN: 2B3KA46G56
P0430: Catalyst Efficiency Below Normal (Bank 2). ... time officer states car stalls at idle and at highway speeds it allways restart vehicle has not duplicated the symtom while in the shop but has come in twice with the same codes pending codes are po42o and p0430 freeze frame po174 engine run 48min 45 sec t...
September 15, 2009