Facet 9.3048 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Models

The Facet 9.3048 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for select Audi and Volkswagen vehicles. This sensor helps maintain engine performance by detecting abnormal combustion and allowing the engine control unit to adjust timing accordingly.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Volkswagen Passat
• Part number 9.3048 ensures precise fit and function
• Monitors engine knock to optimize ignition timing
• Durable construction for consistent performance
• Direct replacement sensor for emission control systems

Product Details and Functionality

The Facet 9.3048 ignition knock sensor is an essential component in the emission control system of various Audi and Volkswagen models. It detects engine detonation or knocking by sensing vibrations caused by abnormal combustion. This information is sent to the engine control unit (ECU), which then adjusts ignition timing to prevent engine damage and improve fuel efficiency. Designed specifically for models such as the Audi A4 Quattro and Volkswagen Passat, this sensor meets OEM specifications for reliable operation.

Common Issues Addressed by the Facet 9.3048 Sensor

• Engine knocking or pinging under load
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine hesitation or rough idling
• Potential engine damage from undetected detonation

Installation Notes and Tips

When installing the Facet 9.3048 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 avoid sensor damage. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty Information

Facet manufactures the 9.3048 ignition knock sensor to meet strict quality standards, ensuring durability and accurate performance. While specific warranty details may vary, Facet products typically come with a limited warranty against defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer documentation.