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P0430 Diagnostic Trouble Code Discussion for May 2012

Catalyst System Low Efficiency (Bank 2)

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Trouble Ticket Help Requests for DTC P0430
Help Request Posted
2003 BMW 760Li 6.0L MIL Lamp on VIN: WBAGN83493
P0430: bank 2 catalyst efficiency below threshold. ... running car. It keeps coming up with a p0430 code. I have watched the post cat waveforms and the cats seem to be operating normally. The front o2s seem to be fluctuating normally as well but my scanner posts the mA of the 02s not volts. I dont want to inst...
May 05, 2012
2003 Toyota Sequoia Limited 4.7L MIL Lamp on
P0430: Catalyst Efficiency Below Normal (Bank 2). We got stuck with this one. dealer will not recheck their diagnosis. bank one o2 waveforms are perfect. Bank 2 runs rich which is obviously setting code and reason for misdiag. i can pull away fuel trim with solus and o2 sensors act correctly. no vacumn leaks,...
May 16, 2012