Mass Airflow Sensor (MAF) — Audi Q5
Category: Engine | Severity: medium | Cost: ₹5,000–₹20,000
What is Mass Airflow Sensor (MAF)?
The MAF sensor measures the amount of air entering the engine.
How Mass Airflow Sensor (MAF) Works
It sends airflow data to ECU to adjust fuel injection.
Why is Mass Airflow Sensor (MAF) Important?
Ensures optimal air-fuel ratio.
Common Problems
- Sensor contamination
- Failure
Symptoms
- Check engine light
- Poor acceleration
Causes of Failure
- Dust
- Oil contamination
Impact on Car Performance
Leads to incorrect fuel mixture.
DIY Fix Guide — Step by Step
- Clean sensor with MAF cleaner
- Check wiring
- Scan ECU codes
Maintenance Tips
- Avoid touching sensor
- Use proper cleaner
Replacement Cost in India
Estimated range: ₹5,000 – ₹20,000
Where to Buy Online
When to Replace Mass Airflow Sensor (MAF)
When faulty or unresponsive.