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Home › Infiniti › 2005 › G35 x › Repair and Diagnosis › Engine Performance › Engine Control System - Sedan › DTC P0128: Thermostat Function › Diagnostic Procedure

Diagnostic Procedure

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to "Component Inspection ".

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: Replace engine coolant temperature sensor.
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