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P0430 Diagnostic Trouble Code Discussion for September 2007

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2004 Ford F-150 FX4 5.4L MIL Lamp on, pinging, plug broken VIN: 1FTPX14534
P0430: catalyst effciency monitor and exhuast system. Well this has been fun, first we found these cat codes and did a test drive. The complants are mil light on and it pings occationly. Basicly the o2 apear to be working properly, even after a good 6 mile run the rear o2s and front o2s are identical, which tells...
September 17, 2007