Engine Valves — Audi Q5
Category: Engine | Severity: medium | Cost: ₹8,000–₹30,000
What is Engine Valves?
Valves regulate air-fuel intake and exhaust gas exit in the engine.
How Engine Valves Works
They open and close in sync with camshaft rotation to control airflow.
Why is Engine Valves Important?
Essential for combustion and engine breathing.
Common Problems
- Burnt valves
- Carbon buildup
- Valve leakage
Symptoms
- Power loss
- Misfire
- Poor fuel efficiency
Causes of Failure
- Overheating
- Poor fuel quality
Impact on Car Performance
Leads to inefficient combustion and engine roughness.
DIY Fix Guide — Step by Step
- Use quality fuel
- Add fuel system cleaner
- Check compression
Maintenance Tips
- Regular servicing
- Use good fuel
Replacement Cost in India
Estimated range: ₹8,000 – ₹30,000
Where to Buy Online
When to Replace Engine Valves
When burnt, leaking, or damaged.