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P0430 Diagnostic Trouble Code Discussion for May 2004

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1998 Ford Explorer Eddie Bauer 5.0L Poor Idle Quality, MIL Lamp on VIN: 1FMZU35P9W
P0430: bank 2 car efficiency below limit. ... mil lights several times. we've had the following codes on different occasions--p0141 (bank one rear sensor heater circuit), p0430 (bank one rear o2 sensor heater circuit failure), p0420 (bank 2 catalytic converter efficiency problem). presently the vehicl...
May 20, 2004
1996 GMC K1500 Sierra SL 5.7L MIL Lamp on, Code P0430 VIN: 2GTEK19ROT
P0430: Catalyst System Low Efficiency (Bank 2). ... driven for about a week before mil came back on with a P0430 stored. Does this vehicle have a bad converter? Can a fuel injection flush bring it back. Any one ran into this problem. Not the first one I've seen. 1999 Chevrolet Suburban with the same code an...
May 26, 2004