Engine Coolant Temperature Sensor (ECT) — Renault Duster
Category: Cooling | Severity: medium | Cost: ₹500–₹2,000
What is Engine Coolant Temperature Sensor (ECT)?
Monitors coolant temperature and sends data to ECU.
How Engine Coolant Temperature Sensor (ECT) Works
Changes resistance based on temperature to inform ECU.
Why is Engine Coolant Temperature Sensor (ECT) Important?
Controls fuel injection and cooling fan operation.
Common Problems
- Sensor failure
- Incorrect readings
Symptoms
- Wrong temp gauge
- Poor mileage
Causes of Failure
- Electrical faults
- Wear
Impact on Car Performance
Impacts fuel efficiency and cooling control.
DIY Fix Guide — Step by Step
- Scan ECU
- Check wiring
- Replace sensor
Maintenance Tips
- Check during service
Replacement Cost in India
Estimated range: ₹500 – ₹2,000
Where to Buy Online
When to Replace Engine Coolant Temperature Sensor (ECT)
Replace if faulty readings detected.