Oxygen Sensor for Aston Martin DB12 — Price, Symptoms & Replacement Guide
Category: Exhaust | Failure Severity: High | Replacement Cost in India: ₹15,000–₹60,000
What is the Oxygen Sensor?
Monitors oxygen levels in exhaust gases to optimize air-fuel mixture.
How the Oxygen Sensor Works
Sends real-time data to ECU, which adjusts fuel injection for efficient combustion.
Why the Oxygen Sensor is Important
Critical for fuel efficiency, emissions, and engine performance.
Common Problems with the Oxygen Sensor
- Sensor failure
- Carbon buildup
- Slow response
Warning Symptoms of a Failing Oxygen Sensor
- Check engine light
- Poor mileage
- Rough engine performance
Common Causes of Oxygen Sensor Failure
- Contamination
- High mileage wear
- Fuel quality issues
Impact on Car Performance
Incorrect air-fuel mixture leading to reduced efficiency and higher emissions.
DIY Fix Guide — Step by Step
- Scan OBD codes
- Inspect wiring
- Replace faulty sensor
Maintenance Tips
- Use high-quality fuel
- Regular engine tuning
Oxygen Sensor Replacement Cost in India
Expect to pay between ₹15,000 and ₹60,000 for genuine parts plus labour at an authorised Aston Martin workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Oxygen Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Oxygen Sensor listings.
When to Replace the Oxygen Sensor
When ECU error codes indicate failure or performance drops.