LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2004 >> FX45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0128 Thermostat Function >> Diagnostic Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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.

scientia non olet · About LEMON Manuals