P0117

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2017-10-10

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Description:

• The fault code P0117 indicates that there is an issue with the engine coolant temperature sensor circuit. Specifically, the sensor is detecting a lower temperature input than expected.

Possible Symptoms:

• Illuminated check engine light

• Poor fuel economy

• Engine overheating

• Difficulty starting the engine

• Rough idle or stalling

Possible Causes:

• Failed engine coolant temperature sensor

• Damaged or corroded wiring or connections in the circuit

• Failed thermostat

• Low coolant level

• Failed engine control module (ECM)

Related Parts:

• Engine Coolant Temperature Sensor: The coolant temperature sensor measures the temperature of the engine coolant. Problems lead to engine overheating

Possible Solutions:

• Replace the engine coolant temperature sensor

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

• Replace the thermostat if necessary

• Refill coolant to proper level

• Replace the engine control module (ECM) if necessary