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P0430 Diagnostic Trouble Code Discussion for December 2004

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2000 Chevrolet Express 1500 5.7L MIL Lamp on VIN: 1GBFG15R0Y
P0430: Catalyst System Low Efficiency (Bank 2). came in with p0430 both cats ratteling replaced with reman cats. ran matorvac R&R fuel filter rd. test returned to cust. took van to calf. light came back on in calf. (1900 miles) back in our shop same code scope o2's bank 2 lazy to respond others respondi...
December 17, 2004