P0115Engine Coolant Temperature (ECT) Sensor Malfunction
The ECT sensor measures engine temperature. Its failure affects fuel injection and ignition.
Can I keep driving? With caution
You can drive to the shop, but do not postpone the repair. The problem may worsen and damage other components.
Sistema Afectado
Aire / Combustible · Inyección, MAF, MAP, O₂
Relacionado con la mezcla aire-combustible: sensores de flujo, presión, inyectores o bomba.
Espacio para vendedores de repuestos
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Symptoms You Will Notice
What you may observe when this code appears
- Abnormal idle
- Excessive consumption
- Hard starting
Possible Causes
The components or conditions that trigger this code
- 1Faulty ECT sensor
- 2Loose connectors
- 3Corrosion
How to Fix It — Step by Step
Recommended diagnostic and repair procedure
- 1Clean the connectors
- 2Replace the ECT sensor
Note: This information is for general reference. For precise diagnostics and safety repairs, always consult a certified mechanic.
Estimated Cost
Approximate range in USD (varies by region and shop)
Sensors + injectors
* Diagnosis only: $50–$150
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