Engine Temperature Sender — Maruti Suzuki Swift
Category: Cooling | Severity: medium | Cost: ₹700–₹2,500
What is Engine Temperature Sender?
A sensor that measures engine coolant temperature and sends data to the dashboard gauge or ECU.
How Engine Temperature Sender Works
Uses resistance variation based on temperature to provide real-time engine heat data.
Why is Engine Temperature Sender Important?
Helps monitor engine temperature and prevents overheating damage.
Common Problems
- Sensor failure
- Incorrect readings
- Open circuit
Symptoms
- Temperature gauge not working
- False overheating warning
- Check engine light
Causes of Failure
- Electrical issues
- Sensor wear
- Coolant contamination
Impact on Car Performance
Incorrect temperature data leading to delayed response or false alerts.
DIY Fix Guide — Step by Step
- Locate sensor
- Disconnect connector
- Replace sensor
- Reconnect wiring
Maintenance Tips
- Check wiring connections
- Replace if readings are inconsistent
Replacement Cost in India
Estimated range: ₹700 – ₹2,500
Where to Buy Online
When to Replace Engine Temperature Sender
When temperature readings are inaccurate or sensor fails.