ECU (Engine Control Unit) — Toyota Fortuner Legender
Category: Electrical | Severity: high | Cost: ₹40,000–₹1,20,000
What is ECU (Engine Control Unit)?
Controls engine operations electronically.
How ECU (Engine Control Unit) Works
Processes sensor data and adjusts fuel, timing.
Why is ECU (Engine Control Unit) Important?
Ensures optimal engine performance.
Common Problems
- ECU malfunction
Symptoms
- Engine misfire
- Warning lights
Causes of Failure
- Water damage
- Electrical surge
Impact on Car Performance
Severe performance issues.
DIY Fix Guide — Step by Step
- Scan using OBD tool
Maintenance Tips
- Avoid water exposure
Replacement Cost in India
Estimated range: ₹40,000 – ₹1,20,000
Where to Buy Online
When to Replace ECU (Engine Control Unit)
When irreparable fault occurs.