ECU (Engine Control Unit) — Maruti Suzuki Swift
Category: Fuel System | Severity: high | Cost: ₹20,000–₹80,000
What is ECU (Engine Control Unit)?
Main computer controlling engine performance and parameters.
How ECU (Engine Control Unit) Works
Processes sensor data and controls fuel injection, ignition, etc.
Why is ECU (Engine Control Unit) Important?
Central brain of engine management system.
Common Problems
- Software glitch
- Hardware failure
Symptoms
- Engine malfunction
- Warning lights
- Poor performance
Causes of Failure
- Electrical surge
- Moisture damage
Impact on Car Performance
Complete engine malfunction.
DIY Fix Guide — Step by Step
- Scan ECU
- Professional repair/replacement
Maintenance Tips
- Avoid water exposure
- Proper wiring care
Replacement Cost in India
Estimated range: ₹20,000 – ₹80,000
Where to Buy Online
When to Replace ECU (Engine Control Unit)
When ECU fails or cannot be repaired.