Facet 9.3037 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Volkswagen Golf and Jetta

The Facet 9.3037 ignition knock sensor is designed specifically for Volkswagen Golf and Jetta models. This sensor plays a critical role in detecting engine knock and ensuring optimal engine performance.

• Compatible with Volkswagen Golf and Jetta vehicles
• Part number 9.3037 for precise identification
• Monitors engine detonation to protect engine components
• Direct replacement sensor for emission control systems
• Durable construction for consistent performance

Product Overview and Functionality

The Facet 9.3037 ignition knock sensor is an essential component in the emission control system of Volkswagen Golf and Jetta models. It detects abnormal combustion or knocking within the engine by sensing vibrations caused by detonation. This information is sent to the engine control unit (ECU), which adjusts ignition timing to prevent engine damage and maintain fuel efficiency. The sensor’s precise fitment ensures reliable communication with the vehicle’s engine management system.

Common Applications and Problem Resolution

• Prevents engine knocking and pinging
• Helps maintain optimal ignition timing
• Reduces risk of engine damage due to detonation
• Supports emission control compliance
• Improves overall engine performance and fuel economy

Installation Notes and Tips

When installing the Facet 9.3037 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 Volkswagen Golf or Jetta service manual. Use the correct torque specifications to avoid sensor damage. Verify sensor wiring 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 9.3037 ignition knock sensor to meet OEM standards for fit, form, and function. Each sensor undergoes rigorous quality control to ensure durability and reliable performance in Volkswagen Golf and Jetta vehicles. While specific warranty details may vary, Facet products typically include a limited warranty against defects in materials and workmanship to provide confidence in your replacement part.