Oxygen Sensor (O2 Sensor) for MG Motor Majestor — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Medium | Replacement Cost in India: ₹2,000–₹12,000
What is the Oxygen Sensor (O2 Sensor)?
Measures oxygen levels in exhaust gases.
How the Oxygen Sensor (O2 Sensor) Works
Helps ECU adjust fuel-air mixture.
Why the Oxygen Sensor (O2 Sensor) is Important
Ensures emission control and fuel efficiency.
Common Problems with the Oxygen Sensor (O2 Sensor)
- Failure
- Contamination
Warning Symptoms of a Failing Oxygen Sensor (O2 Sensor)
- Check engine light
- Poor mileage
Common Causes of Oxygen Sensor (O2 Sensor) Failure
- Carbon buildup
- Age
Impact on Car Performance
Leads to higher emissions and fuel consumption.
DIY Fix Guide — Step by Step
- Scan ECU
- Replace sensor
Maintenance Tips
- Use clean fuel
Oxygen Sensor (O2 Sensor) Replacement Cost in India
Expect to pay between ₹2,000 and ₹12,000 for genuine parts plus labour at an authorised MG Motor 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 sensor fails or mileage drops.