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Home › Nissan-Datsun › 2005 › Sentra Base, Standard › Repair and Diagnosis › Engine Performance › Engine Control System (QG18DE) › DTC P0128: Thermostat Function › Diagnostic Procedure

Diagnostic Procedure

  1. CHECK ENGINE COOLANT TEMPERATURE SENSOR 

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    • OK : INSPECTION END 
    • NG : Replace engine coolant temperature sensor.
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