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Home >> Infiniti >> 2003 >> I35 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input Or DTC P0118: Engine Coolant Temperature Sensor Circuit High Input >> Possible Causes

Possible Causes

Malfunction is detected when an excessively low or high voltage from ECT sensor is sent to ECM. Possible causes are:

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