P0064

2017-10-10

Description:

  • The fault code P0064 indicates that there is a high voltage in the circuit controlling the heater of the oxygen sensor for bank 2, sensor 3. This may cause the engine to run poorly or not start at all.

Possible Symptoms:

  • Illuminated check engine light

  • Decreased fuel efficiency

  • Rough idling or stalling

  • Poor engine performance or acceleration

Possible Causes:

  • Faulty oxygen sensor heater

  • Shorted or open wiring in the circuit

  • Blown oxygen sensor fuse

  • 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 faulty oxygen sensor heater

  • Inspect and repair any damaged wiring in the circuit

  • Check and replace blown oxygen sensor fuse

  • Replace the engine control module (ECM) if necessary

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