Mass Air Flow Sensor — Renault Duster
Category: Fuel System | Severity: medium | Cost: ₹3,000–₹10,000
What is Mass Air Flow Sensor?
Measures air entering the engine.
How Mass Air Flow Sensor Works
Sends airflow data to ECU for fuel adjustment.
Why is Mass Air Flow Sensor Important?
Ensures proper air-fuel ratio.
Common Problems
- Dirty sensor
- Failure
Symptoms
- Check engine light
- Poor mileage
Causes of Failure
- Dust
- Sensor wear
Impact on Car Performance
Incorrect fueling leads to inefficiency.
DIY Fix Guide — Step by Step
- Clean sensor
- Check wiring
Maintenance Tips
- Keep air filter clean
Replacement Cost in India
Estimated range: ₹3,000 – ₹10,000
Where to Buy Online
When to Replace Mass Air Flow Sensor
Replace if cleaning doesn’t fix issue.