Throttle Position Sensor (TPS) — Audi Q7
Category: Engine | Severity: medium | Cost: ₹3,000–₹12,000
What is Throttle Position Sensor (TPS)?
TPS monitors the position of the throttle valve and sends data to ECU.
How Throttle Position Sensor (TPS) Works
It helps ECU determine driver input and adjust fuel delivery accordingly.
Why is Throttle Position Sensor (TPS) Important?
Ensures smooth acceleration and throttle response.
Common Problems
- Sensor wear
- Signal loss
Symptoms
- Jerky acceleration
- Idle fluctuation
- Check engine light
Causes of Failure
- Wear and tear
- Electrical issues
Impact on Car Performance
Faulty TPS causes poor throttle response.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Check wiring
- Test sensor output
- Replace faulty sensor
- Reset ECU
Maintenance Tips
- Regular diagnostics
- Avoid throttle body contamination
Replacement Cost in India
Estimated range: ₹3,000 – ₹12,000
Where to Buy Online
When to Replace Throttle Position Sensor (TPS)
Replace when erratic throttle response occurs.