Oxygen Sensor for Audi S5 Sportback — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹5,000–₹20,000
What is the Oxygen Sensor?
Measures oxygen levels in exhaust gases.
How the Oxygen Sensor Works
Sends data to ECU to adjust fuel mixture.
Why the Oxygen Sensor is Important
Maintains efficient combustion and emissions.
Common Problems with the Oxygen Sensor
- Sensor failure
Warning Symptoms of a Failing Oxygen Sensor
- Poor mileage
- Check engine light
Common Causes of Oxygen Sensor Failure
- Wear
Impact on Car Performance
Incorrect fuel mixture.
DIY Fix Guide — Step by Step
- Scan ECU
Maintenance Tips
- Replace periodically
Oxygen Sensor Replacement Cost in India
Expect to pay between ₹5,000 and ₹20,000 for genuine parts plus labour at an authorised Audi 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 if faulty.