Throttle Position Sensor — Audi A4
Category: Engine | Severity: medium | Cost: ₹3,000–₹12,000
What is Throttle Position Sensor?
Monitors throttle valve position.
How Throttle Position Sensor Works
Sends throttle input data to ECU.
Why is Throttle Position Sensor Important?
Ensures smooth acceleration and fuel delivery.
Common Problems
- Sensor wear
- Signal error
Symptoms
- Jerky acceleration
- Poor throttle response
Causes of Failure
- Wear
- Electrical issues
Impact on Car Performance
Poor throttle response affects drivability.
DIY Fix Guide — Step by Step
- Check ECU codes
- Inspect sensor
- Replace if faulty
Maintenance Tips
- Keep throttle body clean
Replacement Cost in India
Estimated range: ₹3,000 – ₹12,000
Where to Buy Online
When to Replace Throttle Position Sensor
Replace if response becomes erratic.