P0141

2017-10-10

Description:

  • The fault code P0141 indicates that there is an issue with the O2 sensor heater circuit for bank 1, sensor 2. This sensor is responsible for monitoring the oxygen levels in the exhaust and helping the engine control module adjust the air/fuel mixture.

Possible Symptoms:

  • Illuminated check engine light

  • Poor engine performance

  • Decreased fuel efficiency

  • Failure to pass emissions testing

Possible Causes:

  • Failed O2 sensor

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed engine control module (ECM)

Related Parts:

  • Oxygen Sensor: This is one of the parts that fails very commonly. It measures the amount of oxygen to ensure proper combustion. Problems in the Oxygen Sensor lead to poor fuel economy

Possible Solutions:

  • Replace the O2 sensor

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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