The knock sensor detects engine knocking in 1.6–3.2 engines and is intended for maintenance or replacement. Its function helps improve engine performance and protection.
- Type: Knock sensor
- Engine displacement: 1.6–3.2
- Model years: 1995–2010
- Compatibility: Audi A3, Audi TT, Seat Leon, Seat Toledo II, Skoda Octavia I, Volkswagen Polo, Volkswagen Bora, Volkswagen Golf IV, Volkswagen New Beetle