Walker 242-1091 Ignition Knock (Detonation) Sensor

Walker 242-1091 Ignition Knock Sensor

The Walker Products 242-1091 ignition knock sensor is built for direct engine management replacement on select Honda and Acura applications. It is designed to monitor detonation signals so the engine control system can adjust timing as needed for smoother operation and proper performance.

Key Features

• Ignition knock (detonation) sensor for engine control systems
• Female connector with 1 connector cavity
• Blade terminal design with 1 terminal
• Oblong connector shape for application-specific fitment
• 12.0000 threaded end diameter
• 48.7400 length
• No wiring harness included
• No mounting hardware included

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on parts manufactured to meet or exceed OEM standards and specifications. The Walker Products 242-1091 knock sensor reflects that approach with application-specific construction for vehicles that rely on accurate detonation feedback. This part cross-references Standard Ignition KS372 for the same application.

Compatible With 2008-2012 Honda Accord, 2010-2012 Honda CR-V, 2009-2010 Acura TSX, and 2012-2013 Honda Crosstour. Search terms such as Honda Accord knock sensor replacement, Honda CR-V detonation sensor, Acura TSX engine knock sensor, and Walker 242-1091 fitment are commonly used for this application.

Common Issues This Part May Address

• Knock sensor fault codes related to detonation monitoring
• Engine timing irregularities caused by inaccurate knock feedback
• Rough running associated with failed ignition knock sensor input
• Reduced drivability when the engine control module cannot read knock signals correctly
• Check engine light conditions tied to sensor circuit problems

Installation Notes and Tips

Verify connector style, threaded end diameter, and sensor length before installation. Inspect the harness connector for corrosion or damage, and confirm the mounting surface is clean so the sensor can read engine vibration accurately. Always follow the vehicle service manual for torque and diagnostic procedures when replacing a knock sensor on a Honda Accord, Honda CR-V, Acura TSX, or Honda Crosstour.

Quality Assurance

Walker Products is an ISO 9001 and IATF 16949 certified manufacturer with engineering and product support focused on accurate vehicle applications and OEM-level specifications. The 242-1091 is backed by that manufacturing and technical support process.