Oxygen Sensor for Bentley Flying Spur — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹8,000–₹30,000
What is the Oxygen Sensor?
Measures oxygen levels in exhaust gases to optimize fuel mixture.
How the Oxygen Sensor Works
Sends data to ECU for adjusting air-fuel ratio.
Why the Oxygen Sensor is Important
Improves fuel efficiency and emission control.
Common Problems with the Oxygen Sensor
- Sensor failure
- Contamination
Warning Symptoms of a Failing Oxygen Sensor
- Check engine light
- Poor mileage
- Rough running
Common Causes of Oxygen Sensor Failure
- Carbon buildup
- Aging sensor
Impact on Car Performance
Incorrect fuel mixture reduces efficiency.
DIY Fix Guide — Step by Step
- Scan ECU for codes
- Inspect wiring
- Clean sensor (if possible)
- Replace faulty sensor
- Reset ECU
Maintenance Tips
- Use clean fuel
- Regular diagnostics
Oxygen Sensor Replacement Cost in India
Expect to pay between ₹8,000 and ₹30,000 for genuine parts plus labour at an authorised Bentley 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
Every 80,000–100,000 km or when faulty.