Facet 9.3236 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Infiniti, Subaru, and Scion Vehicles

The Facet 9.3236 ignition knock sensor is designed to detect engine detonation and ensure optimal performance in select Infiniti, Subaru, and Scion models. This sensor helps maintain engine efficiency by monitoring knock signals and allowing the engine control unit to adjust timing accordingly.

• Compatible with Infiniti Q70, QX70, FX50, M56, and Tribeca models
• Fits Subaru BRZ, Forester, Impreza, Legacy, Outback, WRX, and XV Crosstrek
• Also compatible with Scion FR-S
• Part number 9.3236 ensures precise fit and function
• Designed for accurate knock detection to prevent engine damage

Product Details and Functionality

The Facet 9.3236 ignition knock sensor is engineered to detect engine knocking or detonation by sensing vibrations caused by abnormal combustion. This sensor sends signals to the engine control module (ECM), which then adjusts ignition timing to prevent engine damage and maintain fuel efficiency. Compatible with a range of Infiniti, Subaru, and Scion vehicles, including the Subaru BRZ and Infiniti Q70, this sensor is a critical component for maintaining engine health and performance.

Common Applications and Issues Addressed

• Prevents engine knocking and pinging
• Helps maintain optimal ignition timing
• Reduces risk of engine damage due to detonation
• Improves fuel efficiency by enabling proper combustion
• Supports smooth engine operation and performance

Installation Notes and Tips

When installing the Facet 9.3236 ignition knock sensor, ensure the engine is cool and disconnect the battery to avoid electrical hazards. Locate the existing knock sensor on compatible Infiniti, Subaru, or Scion models and carefully remove it using appropriate tools. Install the new sensor securely, making sure the connector is properly seated to maintain signal integrity. Refer to the vehicle’s service manual for torque specifications and sensor location details.

Quality Assurance and Warranty Information

Facet manufactures the 9.3236 ignition knock sensor to meet OEM standards for fit and function. This sensor undergoes rigorous testing to ensure reliable performance in compatible Infiniti, Subaru, and Scion vehicles. While specific warranty details may vary, Facet typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product durability.