Crankshaft Position Sensor — Audi Q3
Category: Engine | Severity: high | Cost: ₹4,000–₹15,000
What is Crankshaft Position Sensor?
Crankshaft position sensor monitors crankshaft speed and position.
How Crankshaft Position Sensor Works
Sends rotational data to ECU for ignition timing.
Why is Crankshaft Position Sensor Important?
Essential for engine timing and ignition.
Common Problems
- Sensor failure
- Signal loss
Symptoms
- Engine stalling
- No start
Causes of Failure
- Heat
- Wear
Impact on Car Performance
Engine may fail to start.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Inspect wiring
- Replace sensor
Maintenance Tips
- Regular diagnostics
Replacement Cost in India
Estimated range: ₹4,000 – ₹15,000
Where to Buy Online
When to Replace Crankshaft Position Sensor
Replace when signal issues occur.