Delphi AS10331 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for OE-Style Engine Control

Delphi AS10331 is an ignition knock sensor built for accurate engine feedback and OE-style fitment. It is engineered for vehicles that need reliable detonation detection to support proper ignition timing and smoother engine operation.

Key Features

• Ignition knock (detonation) sensor for engine knock detection
• Delphi sensor technology validated to OE standards
• Round connector with 1 connector and 4 terminals
• Male connector and male terminal design
• Screw mounting type for direct replacement applications
• Length: 465
• Package contents: ignition knock (detonation) sensor

Detailed Description

Delphi AS10331 is part of Delphi’s sensor lineup developed with OE-level validation and calibration practices. The sensor is tested to deliver accurate readings, helping the engine control system detect knock events and adjust timing as needed. This part cross-references Standard Ignition KS189 for the same application. It is a direct-fit option for select Ford, Mercury, and Lincoln vehicles, including Ford Explorer, Ford Mustang, and Ford F-150 applications listed below.

What It Helps Address

• Knock sensor fault codes related to detonation detection
• Erratic ignition timing caused by inaccurate knock input
• Engine pinging or spark knock under load
• Check engine light concerns tied to knock sensor performance
• Driveability issues from poor engine control feedback

Installation Notes and Tips

Verify connector shape, terminal count, and mounting style before installation. Delphi AS10331 uses a round, 1-connector design with 4 male terminals and screw mounting. Confirm the sensor location on the vehicle and inspect the harness connector for corrosion or damage before connecting the new part. Fits 2007-2010 Ford Explorer Sport Trac, N/A; Fits 2009-2010 Ford F-150, N/A; Fits 2005-2009 Ford Mustang, N/A; Fits 2002-2006 Ford Crown Victoria, N/A; Fits 2002-2006 Mercury Grand Marquis, N/A; Fits 2002-2005 Ford Explorer, N/A; Fits 2003-2005 Lincoln Aviator, N/A; Fits 2002-2005 Mercury Mountaineer, N/A; Fits 2003-2004 Mercury Marauder, N/A.

Quality Assurance

Delphi validates and calibrates its sensors to OE standards to support accurate signal output and reduce comebacks. Part number AS10331 is built to meet the demands of select Ford, Mercury, and Lincoln engine management applications.