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P0430 Diagnostic Trouble Code Discussion for February 2013

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1999 GMC K1500 Suburban SLE 5.7L Misfire, MIL Lamp on VIN: 1GKFK16R5X
P0430: Catalyst System Low Efficiency (Bank 2). hello im matt from daves downtown conoco i am 19 years old and this is the first time were using iatn. yesterday this suburban came in with a misfire. first thing i checked the scanner for codes and just said po300 for the misfire so i went into data and seen ...
February 06, 2013