Oxygen Sensor for Volvo XC90 — Price, Symptoms & Replacement Guide
Category: Exhaust | Failure Severity: Medium | Replacement Cost in India: ₹5,000–₹20,000
What is the Oxygen Sensor?
Measures oxygen levels in exhaust gases to optimize fuel-air mixture.
How the Oxygen Sensor Works
Sends data to ECU for adjusting combustion efficiency.
Why the Oxygen Sensor is Important
Improves fuel efficiency and reduces emissions.
Common Problems with the Oxygen Sensor
- Sensor failure
- Carbon buildup
Warning Symptoms of a Failing Oxygen Sensor
- Check engine light
- Poor mileage
- Rough idle
Common Causes of Oxygen Sensor Failure
- Contamination
- Aging
Impact on Car Performance
Reduced fuel efficiency and higher emissions.
DIY Fix Guide — Step by Step
- Scan error codes
- Replace faulty sensor
Maintenance Tips
- Use good quality fuel
- Regular servicing
Oxygen Sensor Replacement Cost in India
Expect to pay between ₹5,000 and ₹20,000 for genuine parts plus labour at an authorised Volvo 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 shows sensor fault.