Oxygen Sensor (O2 Sensor) for Nissan Gravite — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹3,000–₹12,000
What is the Oxygen Sensor (O2 Sensor)?
Measures oxygen levels in exhaust gases to optimize fuel mixture.
How the Oxygen Sensor (O2 Sensor) Works
Sends data to ECU to adjust fuel injection.
Why the Oxygen Sensor (O2 Sensor) is Important
Maintains fuel efficiency and emissions.
Common Problems with the Oxygen Sensor (O2 Sensor)
- Sensor failure
- Contamination
Warning Symptoms of a Failing Oxygen Sensor (O2 Sensor)
- Poor mileage
- Check engine light
Common Causes of Oxygen Sensor (O2 Sensor) Failure
- Carbon deposits
- Age
Impact on Car Performance
Incorrect mixture reduces efficiency.
DIY Fix Guide — Step by Step
- Scan ECU
- Inspect sensor
- Replace faulty unit
Maintenance Tips
- Use quality fuel
Oxygen Sensor (O2 Sensor) Replacement Cost in India
Expect to pay between ₹3,000 and ₹12,000 for genuine parts plus labour at an authorised Nissan workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Oxygen Sensor (O2 Sensor) Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Oxygen Sensor (O2 Sensor) listings.
When to Replace the Oxygen Sensor (O2 Sensor)
Replace when faulty or after 80,000–100,000 km.