Crankshaft Position Sensor for Audi A4 — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: Critical | Replacement Cost in India: ₹4,000–₹15,000
What is the Crankshaft Position Sensor?
This sensor monitors crankshaft position and speed.
How the Crankshaft Position Sensor Works
Sends rotational data to ECU for ignition and injection timing.
Why the Crankshaft Position Sensor is Important
Essential for engine timing and synchronization.
Common Problems with the Crankshaft Position Sensor
- Sensor failure
- Signal loss
Warning Symptoms of a Failing Crankshaft Position Sensor
- Engine stalling
- No start
- Misfire
Common Causes of Crankshaft Position Sensor Failure
- Electrical faults
- Wear
Impact on Car Performance
Failure can stop engine completely.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Check wiring
- Replace faulty sensor
Maintenance Tips
- Regular diagnostics
Crankshaft Position Sensor Replacement Cost in India
Expect to pay between ₹4,000 and ₹15,000 for genuine parts plus labour at an authorised Audi workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Crankshaft Position Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Crankshaft Position Sensor listings.
When to Replace the Crankshaft Position Sensor
Replace if signal failure detected.