Diesel Particulate Filter (DPF) — Audi A4
Category: Engine | Severity: high | Cost: ₹50,000–₹1,50,000
What is Diesel Particulate Filter (DPF)?
DPF captures and stores soot particles from diesel exhaust.
How Diesel Particulate Filter (DPF) Works
Burns accumulated soot during regeneration process.
Why is Diesel Particulate Filter (DPF) Important?
Reduces emissions in diesel engines.
Common Problems
- Clogging
- Regeneration failure
Symptoms
- Warning light
- Reduced power
Causes of Failure
- Short trips
- Poor fuel
Impact on Car Performance
Blocked DPF reduces engine efficiency.
DIY Fix Guide — Step by Step
- Drive at highway speed for regeneration
- Use proper diesel fuel
- Check warning lights
Maintenance Tips
- Regular long drives
- Use quality diesel
Replacement Cost in India
Estimated range: ₹50,000 – ₹1,50,000
Where to Buy Online
When to Replace Diesel Particulate Filter (DPF)
Replace if regeneration fails repeatedly.