Engine Control Unit (ECU) — Nissan Gravite
Category: Engine | Severity: high | Cost: ₹20,000–₹80,000
What is Engine Control Unit (ECU)?
The ECU is the brain of the engine that controls fuel injection, ignition timing, and various engine parameters.
How Engine Control Unit (ECU) Works
Processes sensor data and adjusts engine functions in real-time.
Why is Engine Control Unit (ECU) Important?
Ensures optimal engine performance, efficiency, and emissions.
Common Problems
- Software glitches
- Sensor communication failure
Symptoms
- Check engine light
- Poor performance
Causes of Failure
- Electrical faults
- Water damage
Impact on Car Performance
Improper ECU functioning affects overall vehicle performance.
DIY Fix Guide — Step by Step
- Scan ECU for error codes
- Check wiring connections
- Reset ECU if required
Maintenance Tips
- Avoid water exposure
- Regular diagnostics
Replacement Cost in India
Estimated range: ₹20,000 – ₹80,000
Where to Buy Online
When to Replace Engine Control Unit (ECU)
Replace if irreparable electronic failure occurs.