Mass Airflow Sensor (MAF) — Audi A6
Category: Engine | Severity: medium | Cost: ₹5,000–₹20,000
What is Mass Airflow Sensor (MAF)?
Measures the amount of air entering the engine.
How Mass Airflow Sensor (MAF) Works
Sends air intake data to ECU for fuel adjustment.
Why is Mass Airflow Sensor (MAF) Important?
Maintains correct air-fuel ratio.
Common Problems
- Sensor contamination
- Electrical faults
Symptoms
- Rough idle
- Poor acceleration
- Check engine light
Causes of Failure
- Dust buildup
- Faulty wiring
Impact on Car Performance
Leads to incorrect fuel mixture and reduced efficiency.
DIY Fix Guide — Step by Step
- Clean sensor
- Check wiring
- Scan for codes
- Reset ECU
- Replace if faulty
Maintenance Tips
- Replace air filter regularly
- Keep intake clean
Replacement Cost in India
Estimated range: ₹5,000 – ₹20,000
Where to Buy Online
When to Replace Mass Airflow Sensor (MAF)
Replace if cleaning does not resolve issue.