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P0430 Diagnostic Trouble Code Discussion for June 2004

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
1998 Ford Explorer XLT 5.0L MIL Lamp on VIN: 1FMZU35PWZ
P0430: catalytic eficiency below limit in bank 2. code p0420 and p0430 keep coming on for catalytic convertor efficiency below limit in banks 1 and 2. initially, the vehicle came in with a p0300 code for random misfire, and we changed plugs and wires and removed fuel injectors for service. then we started to ...
June 15, 2004