Facet 9.3053 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Models

The Facet 9.3053 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 events and allowing the engine control unit to adjust timing accordingly.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S4, and Volkswagen Passat models
• Part number 9.3053 ensures precise fit and function
• Detects engine knock to optimize ignition timing and prevent damage
• Durable construction for consistent sensor performance
• Direct replacement sensor for emission control systems

Product Details and Functionality

The Facet 9.3053 ignition knock sensor is an essential component in the emission control system of various Audi and Volkswagen vehicles. It monitors engine vibrations caused by detonation or knocking, sending signals to the engine control module (ECM). This feedback allows the ECM to adjust ignition timing, improving fuel efficiency and reducing harmful emissions. The sensor is engineered to meet OEM specifications, ensuring compatibility with the listed models including Audi A4 Quattro and Volkswagen Passat.

Common Issues Addressed by the Knock Sensor

• Engine knocking or pinging under acceleration
• 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 9.3053 knock sensor, ensure the engine is cool and disconnect the battery to prevent electrical shorts. Locate the sensor on the engine block as specified in the vehicle’s service manual. Use the correct torque specifications to avoid sensor damage. Verify electrical connections are secure and free of corrosion. 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 9.3053 ignition knock sensor to meet strict quality standards, providing reliable performance for emission control systems. While specific warranty details may vary, Facet products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation or supplier for exact warranty terms.