Facet 9.3199 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Volkswagen Vehicles

The Facet 9.3199 ignition knock sensor is designed to detect engine knocking and detonation in select Volkswagen models. This sensor helps maintain optimal engine performance by providing accurate feedback to the engine control unit.

• Compatible with Volkswagen Beetle, Golf, Jetta, and Passat models
• Part number 9.3199 ensures precise fit and function
• Monitors engine knock to prevent damage and improve efficiency
• Durable construction for consistent sensor performance
• Direct replacement sensor for emission control systems

Product Details and Functionality

The Facet 9.3199 ignition knock sensor is an essential component in the emission control system of Volkswagen vehicles such as the Beetle, Golf, Jetta, and Passat. It detects vibrations caused by engine knock or detonation and sends signals to the engine control unit (ECU). This feedback allows the ECU to adjust ignition timing and fuel delivery, helping to protect the engine from damage and maintain smooth operation. The sensor is engineered to meet OEM specifications, ensuring reliable performance and compatibility with the specified Volkswagen models.

Common Applications and Problem Resolution

• Detects and prevents engine knocking and pinging
• Helps reduce engine misfires and rough idling
• Supports emission control by optimizing combustion
• Prevents potential engine damage from detonation
• Improves fuel efficiency by enabling proper ignition timing

Installation Notes and Tips

When installing the Facet 9.3199 ignition knock sensor, ensure the engine is cool and the battery is disconnected to avoid electrical hazards. Locate the sensor on the engine block as specified in the vehicle’s service manual. Use the correct torque specifications to secure the sensor and avoid over-tightening, which can damage the sensor or mounting surface. Verify electrical connections are clean and secure before reassembling. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Facet ignition knock sensors are manufactured to meet strict quality standards for durability and accuracy. While specific warranty details for part number 9.3199 may vary, Facet products typically come with a limited warranty against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.