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P0430 Diagnostic Trouble Code Discussion for September 2010

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1999 GMC K1500 Suburban SLT 5.7L Misfire, Loss of Power VIN: 1GK16R4XJ7
P0430: Catalyst System Low Efficiency (Bank 2). ... giving us a headache in the shop. The complaint was that it was interrmittently losing power and missing at any given time. Upon first inspection we went to check the distributor cap condition, which was not worn too bad, we replaced it anyways. When we ha...
September 11, 2010