P0424

2017-10-10

Description:

  • The fault code P0424 indicates that the catalyst system efficiency for bank 1 is below the threshold level. This may result in increased emissions, decreased fuel efficiency, or other engine performance issues.

Possible Symptoms:

  • Illuminated check engine light

Possible Causes:

  • Failed catalytic converter

  • Malfunctioning oxygen sensor

  • Exhaust system leaks upstram of catalytic converter

  • Faulty engine control module (ECM) or programming

  • Fuel mixture issues

Related Parts:

  • Catalytic Converter: A catalytic converter is a device that converts toxic gases and pollutants to less harmful pollutants. Problems lead to harmful emissions out of limit, rotten egg smell from exhaust & reduced speed

Possible Solutions:

  • Repair/Replace the catalytic converter

  • Replace any malfunctioning oxygen sensors

  • Repair any exhaust system leaks upstream of the catalytic converter

  • Check and reprogram the engine control module (ECM) as necessary

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