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Home › Nissan-Datsun › 2005 › Maxima SL › Repair and Diagnosis › Engine Performance › Engine Control System › 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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