Exhaust Temperature Sensor — Toyota Fortuner Legender
Category: Exhaust | Severity: medium | Cost: ₹6,000–₹20,000
What is Exhaust Temperature Sensor?
Monitors exhaust gas temperature for emission system optimization.
How Exhaust Temperature Sensor Works
Sends temperature data to ECU to control DPF regeneration and engine tuning.
Why is Exhaust Temperature Sensor Important?
Prevents overheating and ensures proper DPF operation.
Common Problems
- Sensor failure
- Incorrect readings
Symptoms
- Check engine light
- DPF issues
- Poor performance
Causes of Failure
- Electrical fault
- Sensor wear
Impact on Car Performance
Improper emission control and potential DPF damage.
DIY Fix Guide — Step by Step
- Sensor replacement
Maintenance Tips
- Regular diagnostics scan
Replacement Cost in India
Estimated range: ₹6,000 – ₹20,000
Where to Buy Online
When to Replace Exhaust Temperature Sensor
When ECU detects faulty readings.