Air Filter — Audi A4
Category: Engine | Severity: low | Cost: ₹800–₹3,000
What is Air Filter?
Air filter cleans incoming air before it enters the engine.
How Air Filter Works
Traps dust and debris, allowing only clean air into intake system.
Why is Air Filter Important?
Prevents engine wear and ensures proper combustion.
Common Problems
- Clogging
- Dirty filter
Symptoms
- Reduced mileage
- Low power
Causes of Failure
- Dust accumulation
- Delayed replacement
Impact on Car Performance
Dirty filter restricts airflow and reduces efficiency.
DIY Fix Guide — Step by Step
- Inspect filter condition
- Clean or replace if dirty
Maintenance Tips
- Replace every 10,000–15,000 km
Replacement Cost in India
Estimated range: ₹800 – ₹3,000
Where to Buy Online
When to Replace Air Filter
Every 10,000–15,000 km or when clogged.