Knock Sensor for Bentley Continental — Price, Symptoms & Replacement Guide
Category: Engine | Failure Severity: High | Replacement Cost in India: ₹20,000–₹80,000
What is the Knock Sensor?
The knock sensor detects abnormal combustion (knocking) in Bentley Continental engines.
How the Knock Sensor Works
It senses vibrations and signals ECU to adjust ignition timing.
Why the Knock Sensor is Important
Prevents engine damage due to detonation.
Common Problems with the Knock Sensor
- Sensor failure
- False readings
Warning Symptoms of a Failing Knock Sensor
- Reduced power
- Engine noise
Common Causes of Knock Sensor Failure
- Heat
- Electrical issues
Impact on Car Performance
Failure may lead to engine damage or reduced performance.
DIY Fix Guide — Step by Step
- Scan ECU codes
- Inspect sensor
- Replace if faulty
Maintenance Tips
- Use high-quality fuel
- Avoid overheating
Knock Sensor Replacement Cost in India
Expect to pay between ₹20,000 and ₹80,000 for genuine parts plus labour at an authorised Bentley workshop. Local garages and aftermarket parts can be 20–40% cheaper but may compromise warranty.
Where to Buy Knock Sensor Online
Search trusted Indian car-parts retailers like Boodmo, Amazon India and Flipkart for genuine and OEM-grade Knock Sensor listings.
When to Replace the Knock Sensor
Replace when knocking issues or sensor fault detected.