P0425

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2017-10-10

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Description:

• The fault code P0425 indicates that there's a fault in catalyst temperature sensor Bank 1 sensor1

Possible Symptoms:

• Illuminated check engine light

Possible Causes:

• Faulty catalyst temperature sensor (Bank 1 sensor 1) or the associated circuit

• Faulty oxygen sensor

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:

• Replace the faulty catalyst temperature sensor.

• Replace the oxygen sensor

• Fix any damaged circuits/connectors