Standard Ignition KS399 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Ford and Mercury Vehicles

The Standard Ignition KS399 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize performance in select Ford and Mercury models. This bolt-on sensor features a female square plug connector and is engineered for straightforward installation and reliable operation.

Key Features of the Standard Ignition KS399 Sensor

• Bolt mount attachment method ensures secure and stable installation
• Female connector with a square shape for precise fitment
• Plug-in connector type simplifies electrical connection
• Two female blade terminals provide reliable signal transmission
• Compatible with Ford Escape, Fiesta, Fusion, Mariner, and Transit Connect models

Detailed Description of the KS399 Ignition Knock Sensor

The KS399 sensor from Standard Ignition is engineered to detect engine detonation or knock by monitoring vibrations within the engine block. Its bolt-on mounting type allows for a secure fit directly onto the engine, minimizing false readings caused by sensor movement. The sensor’s female plug connector with a square shape and two blade terminals ensures a stable electrical connection, critical for accurate knock detection. This sensor is specifically designed for use in Ford and Mercury vehicles, including popular models such as the Escape, Fiesta, Fusion, Mariner, and Transit Connect, making it a precise replacement part for maintaining engine efficiency and performance.

Common Issues Addressed by the KS399 Knock Sensor

• Engine knocking or pinging during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine performance issues related to detonation detection failure
• Potential engine damage from undetected knock events

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Use the bolt mount method to securely attach the sensor to the engine block
• Verify the female square plug connector aligns correctly with the vehicle’s wiring harness
• Check that the two blade terminals are clean and free of corrosion before connecting
• After installation, clear any diagnostic trouble codes and test drive to confirm proper sensor operation

Quality Assurance and Warranty Information

Standard Ignition manufactures the KS399 sensor to meet or exceed OEM specifications for durability and performance. Each sensor undergoes rigorous testing to ensure reliable operation under normal driving conditions. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product’s quality.