An OBD11 fault code for Catalyst System Low Efficiency

This code specifically relates the bank 1 catalyst. Related similar fault codes are available for catalytic converter in different locations in the exhaust system. Such as P0430 for the bank two converter.

Chevrolet - Catalyst System Low Efficiency Bank 1

Lexus - Catalyst System Efficiency Below Threshold (Bank 1)

Saturn - Catalyst System Low Efficiency

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