Facet 9.3118 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Volkswagen Golf and Jetta

The Facet 9.3118 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 9.3118 for precise identification
• Monitors engine detonation to prevent damage
• Direct replacement sensor for emission control systems
• Durable construction for consistent performance

Detailed Overview of the Facet 9.3118 Knock Sensor

The Facet 9.3118 ignition knock sensor is an essential component in the emission control system of Volkswagen Golf and Jetta models. It detects abnormal combustion or engine knocking by sensing vibrations caused by detonation. This information is sent to the engine control unit (ECU), which adjusts ignition timing to optimize engine efficiency and reduce harmful emissions. The sensor’s design ensures accurate detection and reliable operation under various driving conditions.

Common Issues Addressed by the Knock Sensor

• Engine knocking or pinging noises during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by detonation-related fault codes
• Potential engine damage from uncontrolled knocking
• Increased emissions from inefficient combustion

Installation Notes and Tips for Volkswagen Models

When installing the Facet 9.3118 knock sensor on Volkswagen Golf or Jetta vehicles, 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. It is recommended to inspect the wiring harness and connectors for corrosion or damage before installation to ensure proper sensor function.

Quality Assurance and Warranty Information

Facet manufactures the 9.3118 ignition knock sensor to meet OEM standards for fit and function. Each sensor undergoes rigorous testing to ensure durability and accurate performance. While specific warranty details may vary, Facet products typically include a limited warranty covering defects in materials and workmanship, providing confidence in the sensor’s reliability for Volkswagen Golf and Jetta applications.