Facet 9.3054 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi, Porsche, and Volkswagen

The Facet 9.3054 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knocking in select Audi, Porsche, and Volkswagen models. This sensor helps maintain optimal engine performance by providing precise feedback to the engine control unit.

• Compatible with Audi 80, 80 Quattro, 90, 90 Quattro, 100, 100 Quattro, 200 Quattro, A4, A4 Quattro, A6, A6 Quattro, Cabrio, Cabriolet, S4, and S6 models
• Fits Porsche 928
• Suitable for Volkswagen Golf, Jetta, and Passat
• Part number 9.3054 ensures exact replacement and fitment
• Designed to detect engine detonation for improved ignition timing

Product Details and Functionality

The Facet 9.3054 ignition knock sensor plays a critical role in emission control by monitoring engine vibrations caused by knocking or detonation. When knocking is detected, the sensor sends signals to the engine control unit (ECU), which adjusts ignition timing to prevent engine damage and maintain fuel efficiency. This sensor is engineered to meet OEM specifications for the listed Audi, Porsche, and Volkswagen models, ensuring reliable performance and compatibility.

Common Applications and Issues Addressed

• Prevents engine knocking and pinging that can cause damage
• Helps maintain proper ignition timing for smoother engine operation
• Reduces harmful emissions by optimizing combustion
• Improves fuel economy by preventing inefficient combustion
• Eliminates engine warning lights related to knock sensor faults

Installation Notes and Tips

Installation of the Facet 9.3054 sensor requires locating the original knock sensor position on the engine block. Ensure the engine is cool before removal and installation. Use proper torque specifications to avoid sensor damage. It is recommended to inspect wiring and connectors for corrosion or damage during replacement to ensure accurate sensor readings.

Quality Assurance and Warranty

Facet manufactures the 9.3054 ignition knock sensor to meet strict quality standards, ensuring durability and reliable operation. While specific warranty details may vary, Facet products typically come with a limited warranty covering defects in materials and workmanship. Always verify warranty terms with the supplier or manufacturer.