Throttle Position Sensor (TPS) — Audi Q3 Sportback
Category: Engine | Severity: medium | Cost: ₹3,000–₹12,000
What is Throttle Position Sensor (TPS)?
Monitors throttle valve position.
How Throttle Position Sensor (TPS) Works
Sends throttle input data to ECU for fuel and air control.
Why is Throttle Position Sensor (TPS) Important?
Ensures smooth acceleration and throttle response.
Common Problems
- Sensor wear
- Signal failure
Symptoms
- Throttle lag
- Jerking
- Poor acceleration
Causes of Failure
- Wear
- Electrical faults
Impact on Car Performance
Affects drivability and responsiveness.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Inspect wiring
- Clean throttle body
- Test sensor output
- 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 (TPS)
Replace when throttle response becomes inconsistent.