Throttle Body — Audi A4
Category: Engine | Severity: medium | Cost: ₹10,000–₹35,000
What is Throttle Body?
Throttle body controls the amount of air entering the engine.
How Throttle Body Works
Opens and closes based on accelerator input.
Why is Throttle Body Important?
Regulates engine speed and power.
Common Problems
- Carbon buildup
- Sensor failure
Symptoms
- Rough idle
- Delayed acceleration
Causes of Failure
- Dirt accumulation
- Wear
Impact on Car Performance
Dirty throttle reduces responsiveness.
DIY Fix Guide — Step by Step
- Clean throttle body
- Check sensor connection
- Reset ECU if needed
Maintenance Tips
- Clean every 20,000 km
Replacement Cost in India
Estimated range: ₹10,000 – ₹35,000
Where to Buy Online
When to Replace Throttle Body
Replace if electronic failure occurs.