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P0430 Diagnostic Trouble Code Discussion for March 2019

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2005 Ford F-150 Lariat 5.4L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire, MIL Lamp on, Backfire in intake VIN: 1FTPX12595
P0430: Catalyst efficiency Bank 2. ... me up. Originally this truck came to me in December with rich DTC's, the customer had attempted to repair this over a period of time. He replaced the injectors, plugs, coils and MAF. He also had the PCM reflashed. The upstream O2 sensors were non resp...
March 07, 2019