Oxygen Sensor (O2 Sensor) for Maruti Suzuki Swift — Price, Symptoms & Replacement Guide
Category: Exhaust | Failure Severity: Medium | Replacement Cost in India: ₹2,000–₹8,000
What is the Oxygen Sensor (O2 Sensor)?
Measures oxygen levels in exhaust gases to optimize air-fuel mixture.
How the Oxygen Sensor (O2 Sensor) Works
Sends real-time oxygen data to ECU to adjust fuel injection.
Why the Oxygen Sensor (O2 Sensor) is Important
Ensures fuel efficiency and reduces emissions.
Common Problems with the Oxygen Sensor (O2 Sensor)
- Sensor contamination
- Slow response
- Complete failure
Warning Symptoms of a Failing Oxygen Sensor (O2 Sensor)
- Poor mileage
- Check engine light
- Rough idling
Common Causes of Oxygen Sensor (O2 Sensor) Failure
- Carbon buildup
- Fuel contamination
- Aging
Impact on Car Performance
Reduced fuel efficiency and higher emissions.
DIY Fix Guide — Step by Step
- Scan error codes
- Clean sensor (if possible)
- Replace if faulty
Maintenance Tips
- Use quality fuel
- Regular servicing
- Avoid oil leaks
Oxygen Sensor (O2 Sensor) Replacement Cost in India
Expect to pay between ₹2,000 and ₹8,000 for genuine parts plus labour at an authorised Maruti Suzuki 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)
After 80,000–100,000 km or when faulty.