Walker 242-1056 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for Honda and Acura

Walker Products 242-1056 is an ignition knock sensor built for select Honda and Acura applications. It uses a single female connector with an oblong shape, one male blade terminal, and no wiring harness or mounting hardware included.

Key Features

• Ignition knock (detonation) sensor for engine knock detection
• Connector quantity: 1; connector shape: oblong
• Connector gender: female; terminal gender: male
• Terminal type: blade; terminal quantity: 1
• Length: 44.2000
• No wiring harness included
• No mounting hardware included

Walker Products Engine Sensor Line

Walker Products has supplied fuel system and engine management components since 1946. The Walker Products line focuses on OE-style replacement parts for engine control systems, including sensors used to maintain accurate vehicle operation. Part number 242-1056 reflects that approach with application coverage for Acura RDX, Acura TSX, Acura RSX, Honda Element, Honda CR-V, Honda Accord, and Honda Civic.

Detailed Description

Walker Products 242-1056 is an emission control sensor used to monitor engine knock and support proper ignition timing control. It is listed for 2002-2009 Honda CR-V, 2003-2011 Honda Element, 2003-2007 Honda Accord, 2002-2005 Honda Civic, 2002-2006 Acura RSX, 2004-2008 Acura TSX, and 2007-2012 Acura RDX. This part number 242-1056 is also cross-referenced to Beck/Arnley 158-0917 for the same application.

What It Helps Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Incorrect ignition timing response from a failed sensor
• Check engine light conditions tied to knock sensor circuits
• Rough engine operation caused by inaccurate knock detection

Installation Notes and Tips

Verify connector shape, terminal style, and harness routing before installation. Confirm the vehicle application by year and model, especially on Honda Accord, Honda Civic, Honda CR-V, Acura RSX, Acura TSX, Acura RDX, and Honda Element listings. Inspect the connector for corrosion or damage and compare the original sensor length and terminal configuration to Walker Products 242-1056 before replacement.

Quality Assurance

Walker Products states that its engine management components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001 and IATF 16949 certified, with in-house manufacturing, engineering, product management, and technical support used to maintain application accuracy and part quality.