Crankshaft Position Sensor — Audi Q5
Category: Engine | Severity: high | Cost: ₹3,000–₹12,000
What is Crankshaft Position Sensor?
This sensor monitors crankshaft position and speed.
How Crankshaft Position Sensor Works
It sends signals to ECU for ignition timing and fuel injection.
Why is Crankshaft Position Sensor Important?
Critical for engine timing accuracy.
Common Problems
- Sensor failure
- Signal loss
Symptoms
- Engine stall
- No start
- Misfire
Causes of Failure
- Heat damage
- Wiring issues
Impact on Car Performance
Engine may not start or run properly.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Inspect wiring
- Replace faulty sensor
Maintenance Tips
- Check during diagnostics
Replacement Cost in India
Estimated range: ₹3,000 – ₹12,000
Where to Buy Online
When to Replace Crankshaft Position Sensor
When engine fails to start or sensor error appears.