Back to codes list

Fault Code P0128

Code meaning, symptoms, possible causes, part number, and estimated cost.

P0128

Coolant Thermostat Below Regulating Temperature

Severity: Low

Thermostat fails to maintain minimum coolant temperature.

Part Details

Part Name

Thermostat

Reference P/N (OEM)

16031-28011

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪100 - ₪400

Engine Location

Thermostat housing

Symptoms

  • Low temperature gauge reading
  • Slow warming up
  • High fuel consumption

Possible Causes

  • 1Thermostat stuck open
  • 2Defective ECT sensor

AI Smart Part Finder

The AI will search where to buy part number 16031-28011 online and display suppliers, prices, and availability estimates.