ECU (Engine Control Unit) — Toyota Camry

Category: Electrical | Severity: high | Cost: ₹30,000–₹1,20,000

What is ECU (Engine Control Unit)?

Controls engine performance and fuel injection.

How ECU (Engine Control Unit) Works

Processes sensor data and adjusts engine parameters.

Why is ECU (Engine Control Unit) Important?

Brain of the vehicle.

Common Problems

ECU failure
Software issues

Symptoms

Engine misfire
Check engine light

Causes of Failure

Electrical surge
Water damage

Impact on Car Performance

Poor performance or no start.

DIY Fix Guide — Step by Step

Scan with OBD tool

Maintenance Tips

Avoid water exposure

Replacement Cost in India

Estimated range: ₹30,000 – ₹1,20,000

Where to Buy Online

When to Replace ECU (Engine Control Unit)

When ECU fails or corrupted.