Facet 9.3012 Ignition Knock Sensor

The Facet 9.3012 is an OEM-quality ignition knock sensor designed to detect engine detonation and pre-ignition conditions. This sensor monitors abnormal combustion events by detecting vibration frequencies associated with engine knock, sending precise signals to the engine control unit (ECU) to adjust ignition timing and prevent engine damage.

Key Features:

• Precision piezoelectric sensor element for accurate detonation detection
• OE-equivalent quality construction for reliable performance
• Direct-fit replacement for worn or failed factory sensors
• Helps prevent engine damage from pre-ignition and detonation
• Restores proper engine timing control and fuel efficiency

Facet sensors are engineered to meet or exceed original equipment specifications, providing dependable engine management performance. This knock sensor is essential for maintaining optimal engine performance, fuel economy, and preventing costly engine damage from uncontrolled detonation.