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P0430 Diagnostic Trouble Code Discussion for August 2019

Catalyst System Low Efficiency (Bank 2)


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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2003 Ford Escape XLT 3.0L MIL Lamp on VIN: 1FMYU93163
P0430: bank 2 catalyst efficiency. Having some trouble with this one, customer keeps coming back with a CEL related to the catalyst efficiency. I have replaced the o2s within the past month after seeing a messed up pattern and the light stayed off for a few weeks. New cat isn't failing, 02s...
August 07, 2019