Throttle Body — Aston Martin DBX
Category: Fuel System | Severity: medium | Cost: ₹15,000–₹60,000
What is Throttle Body?
Controls the amount of air entering the engine for combustion.
How Throttle Body Works
An electronically controlled valve adjusts airflow based on accelerator input.
Why is Throttle Body Important?
Maintains proper air-fuel ratio for performance.
Common Problems
- Carbon buildup
- Sensor failure
- Sticking valve
Symptoms
- Rough idle
- Delayed acceleration
- Engine stalling
Causes of Failure
- Carbon deposits
- Electrical faults
Impact on Car Performance
Moderate – affects throttle response and smoothness.
DIY Fix Guide — Step by Step
- Clean throttle body
- Reset ECU
- Check wiring
Maintenance Tips
- Periodic cleaning
- Use quality fuel
Replacement Cost in India
Estimated range: ₹15,000 – ₹60,000
Where to Buy Online
When to Replace Throttle Body
When cleaning doesn’t fix performance issues.