Facet 9.3044 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Vehicles

The Facet 9.3044 ignition knock sensor is designed specifically for select Audi and Volkswagen models, including the Jetta, TT, and TT Quattro. This sensor helps maintain engine performance by detecting engine knock and sending precise signals to the engine control unit.

• Compatible with Audi Jetta, Volkswagen TT, and TT Quattro models
• Part number 9.3044 ensures exact fit and function
• Detects engine knock to optimize ignition timing
• Durable construction for consistent sensor performance
• Direct replacement sensor for emission control systems

Product Overview and Functionality

The Facet 9.3044 ignition knock sensor plays a critical role in the emission control system by monitoring engine detonation or knock. It detects vibrations caused by abnormal combustion and sends signals to the vehicle’s engine control unit (ECU). The ECU then adjusts ignition timing to prevent engine damage and improve fuel efficiency. This sensor is engineered to meet the specifications required for Audi and Volkswagen vehicles, ensuring reliable communication with the engine management system.

Applications and Common Issues Addressed

• Prevents engine knocking and pinging in Audi Jetta and Volkswagen TT models
• Helps maintain optimal ignition timing for improved engine performance
• Reduces risk of engine damage caused by detonation
• Supports emission control compliance by accurate knock detection
• Resolves check engine light triggers related to knock sensor faults

Installation Notes and Tips

When installing the Facet 9.3044 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 verify sensor operation with a scan tool to confirm proper function.

Quality Assurance and Warranty Information

Facet ignition knock sensors are manufactured to meet OEM standards for fit and function. The 9.3044 sensor undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. This part is backed by Facet’s standard warranty coverage, providing assurance of its quality and longevity when installed according to manufacturer guidelines.