P0430 Diagnostic Trouble Code Discussion for August 2007
Catalyst System Low Efficiency (Bank 2)
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| Help Request | Posted | |
| 2003 GMC Sierra 1500 SLE 4.3L MIL Lamp on VIN: 1GTEC14X93 P0430: Catalyst System Low Efficiency (Bank 2). ... did an fuel inj service, the Ck Engine has been coming on with a code P0430, but the truck runs good etc, the customer is concerned about the light. Bank 1, oxygen sensor 2 seems to be slow to responding, but the code refers to bank 2. |
August 06, 2007 |
