P0054

2017-10-10

Description:

  • The fault code P0054 indicates that there is a problem with the heater resistance circuit in the second oxygen sensor on bank 1. This can cause issues with the engine's performance and fuel efficiency.

Possible Symptoms:

  • Poor engine performance

  • Decreased fuel efficiency

  • Illuminated check engine light

Possible Causes:

  • Failed oxygen sensor heater

  • Damaged wiring or connections in the circuit

  • Failed engine control module (ECM)

Related Parts:

  • Heated 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 oxygen sensor

  • Check and repair any damaged wiring or connections in the circuit

  • Replace the engine control module (ECM) if necessary

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