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Fault Code P0126

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

P0126

Engine Coolant Temperature Insufficient for Stable Operation

Severity: Medium

This code indicates that the engine coolant temperature is insufficient for stable operation, which can affect fuel efficiency and engine performance.

Part Details

Part Name

Thermostat (Thermostat)

Reference P/N (OEM)

N/A

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

Estimated Cost

₪150 - ₪500

Engine Location

Engine compartment

Symptoms

  • Increased fuel consumption
  • Increased emissions
  • Slow engine warm-up
  • Check Engine light on

Possible Causes

  • 1Thermostat stuck open
  • 2Faulty engine coolant temperature sensor
  • 3Low coolant level
  • 4Cooling fan running continuously

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