Fuel Filter — Audi A4
Category: Engine | Severity: medium | Cost: ₹1,500–₹5,000
What is Fuel Filter?
Fuel filter removes impurities from fuel before it reaches the engine.
How Fuel Filter Works
Filters dirt and debris to protect injectors and pump.
Why is Fuel Filter Important?
Prevents damage to fuel system components.
Common Problems
- Clogging
Symptoms
- Reduced power
- Hard starting
Causes of Failure
- Dirty fuel
- Lack of maintenance
Impact on Car Performance
Clogged filter reduces fuel flow.
DIY Fix Guide — Step by Step
- Check fuel flow
- Replace filter periodically
Maintenance Tips
- Replace every 20,000–40,000 km
Replacement Cost in India
Estimated range: ₹1,500 – ₹5,000
Where to Buy Online
When to Replace Fuel Filter
Every 20,000–40,000 km or when clogged.