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Home >> Infiniti >> 2008 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VQ35DE) - DTC U1000 To P0153 >> 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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