Facet 9.3085 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Volkswagen Passat

The Facet 9.3085 ignition knock sensor is designed specifically for Volkswagen Passat models, providing accurate detection of engine knock or detonation. This sensor helps maintain optimal engine performance and protects your engine from potential damage caused by abnormal combustion.

• Compatible with Volkswagen Passat vehicles
• Part number 9.3085 ensures precise fitment and function
• Detects engine knock to optimize ignition timing
• Durable construction for consistent performance
• Essential component for emission control and engine management

Product Details and Functionality

The Facet 9.3085 ignition knock sensor is an integral part of the emission control system, designed to monitor engine vibrations caused by detonation. By detecting these vibrations, the sensor sends signals to the engine control unit (ECU), which adjusts ignition timing to prevent engine damage and improve fuel efficiency. This sensor is engineered to meet the specifications required for Volkswagen Passat models, ensuring reliable operation and compatibility.

Common Issues Addressed by the Knock Sensor

• Engine knocking or pinging noises during acceleration
• Reduced engine performance and fuel efficiency
• Check engine light triggered by detonation-related fault codes
• Potential engine damage from uncontrolled knock events
• Irregular ignition timing adjustments

Installation Notes and Tips

When installing the Facet 9.3085 knock sensor on a Volkswagen Passat, ensure the engine is cool and the battery is disconnected to avoid electrical hazards. Proper torque specifications should be followed to avoid sensor damage or improper function. It is recommended to inspect the wiring harness and connectors for corrosion or damage before installation. Calibration or ECU reset may be necessary after replacement to ensure accurate sensor readings.

Quality Assurance and Warranty

Facet manufactures the 9.3085 ignition knock sensor to meet OEM standards for durability and performance. While specific warranty details may vary, Facet products typically come with a limited warranty covering defects in materials and workmanship. This ensures that the sensor maintains reliable operation throughout its service life when installed correctly on compatible Volkswagen Passat models.