Facet 9.3184 Ignition Knock (Detonation) Sensor

Facet 9.3184 Ignition Knock Sensor

Facet 9.3184 is an ignition knock (detonation) sensor for select Audi applications. It is listed for the 2005-2009 Audi A8 Quattro and includes a black sensor body with a 550mm harness for the specified fitment.

Key Features

• Ignition knock (detonation) sensor for emission control and engine management systems
• Fits 2005-2009 Audi A8 Quattro
• Black sensor with 550mm harness
• Facet part number 9.3184 for application matching
• Direct fitment reference for Audi A8 Quattro knock sensor replacement

Product Details

This Facet knock sensor is used in engine control systems that monitor detonation and send signal input to the ECU. For Audi A8 Quattro models from 2005 through 2009, the Facet 9.3184 provides the specified harness length and sensor configuration needed for the listed application. If you are searching for a 2005-2009 Audi A8 Quattro ignition knock sensor or Facet 9.3184 replacement, verify the connector and harness routing against the original part before installation.

Common Issues This Part Can Address

• Knock sensor fault codes related to detonation monitoring
• Engine timing corrections caused by inaccurate knock signal input
• Rough running or reduced performance tied to sensor failure
• Check engine light concerns associated with knock sensor circuit faults

Installation Notes

Confirm the original sensor location, connector style, and harness length before replacement. Clean the mounting surface and follow the vehicle service procedure for torque and routing requirements. After installation, clear diagnostic trouble codes and verify proper operation with a scan tool.

Quality Assurance

Facet manufactures replacement engine management components for automotive service applications. Part number 9.3184 is cataloged for the listed Audi A8 Quattro fitment and should be matched to the vehicle by year, model, and sensor configuration.