P0197

2017-10-10

Description:

  • The fault code P0197 indicates that there is an issue with the circuit that controls the engine oil temperature sensor, which is registering a low input reading. This can cause issues with the engine's performance and fuel efficiency.

Possible Symptoms:

  • Illuminated check engine light

  • Poor engine performance

  • Decreased fuel efficiency

  • Engine overheating

Possible Causes:

  • Faulty engine oil temperature sensor

  • Corroded or damaged wiring in the circuit

  • Loose or poor connections in the circuit

  • Failed engine control module (ECM)

Related Parts:

  • Engine Oil Temperature Sensor: Engine oil temperature sensor measures the temperature of the engine oil. This car's temperature sensor is malfunctioning which will lead to engine not starting or rough running

Possible Solutions:

  • Replace the engine oil temperature sensor

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

  • Tighten or repair any loose or poor connections in the circuit

  • Replace the engine control module (ECM) if necessary

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