Oxygen Sensor — Aston Martin Vanquish

Category: Exhaust | Severity: medium | Cost: ₹15,000–₹50,000

What is Oxygen Sensor?

Measures oxygen levels in exhaust gases to optimize air-fuel mixture.

How Oxygen Sensor Works

Sends real-time data to ECU for adjusting fuel injection.

Why is Oxygen Sensor Important?

Ensures fuel efficiency and emission control.

Common Problems

Sensor failure
Contamination

Symptoms

Check engine light
Poor mileage
Rough idle

Causes of Failure

Carbon buildup
Ageing

Impact on Car Performance

Increased fuel consumption and emissions.

DIY Fix Guide — Step by Step

Scan error codes
Replace sensor

Maintenance Tips

Use clean fuel
Regular diagnostics

Replacement Cost in India

Estimated range: ₹15,000 – ₹50,000

Where to Buy Online

When to Replace Oxygen Sensor

After 80,000–100,000 km or failure.