Walker 242-91051 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Select GM Vehicles

The Walker 242-91051 Ignition Knock (Detonation) Sensor is designed to provide accurate knock detection for improved engine performance. Compatible with various Cadillac, Chevrolet, GMC, Oldsmobile, and Saturn models, this sensor helps maintain optimal combustion and engine efficiency.

Key Features of Walker 242-91051 Knock Sensor

• Specifically engineered for ignition knock detection
• Compatible with multiple GM makes and models including Chevrolet Silverado 1500 and GMC Sierra 1500
• Part of the Walker Products FSK line, known for emission control components
• Durable construction for consistent sensor performance
• Direct replacement part number 242-91051 for easy identification

Product Details and Brand Line Information

This ignition knock sensor from the Walker Products FSK line is designed to meet the emission control requirements of various GM vehicles. The FSK product line focuses on sensors and components that contribute to precise engine management and emission reduction. The 242-91051 sensor detects engine detonation, allowing the vehicle’s control module to adjust ignition timing accordingly, which helps prevent engine damage and maintain fuel efficiency.

Compatible Vehicles and Common Applications

This sensor is compatible with a range of GM vehicles, including but not limited to:

• Cadillac DeVille, Eldorado, Seville
• Chevrolet Astro, Blazer, S10, Silverado 1500
• GMC Sierra 1500, Sonoma
• Oldsmobile Aurora, SC1
• Saturn SL, SL1
• Express and Savana series vans (1500, 2500, 3500)

Common Issues Addressed by the Walker 242-91051 Sensor

• Engine knocking or pinging under load
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine hesitation or poor acceleration
• Potential engine damage from undetected detonation

Installation Notes and Tips

• Ensure vehicle compatibility by verifying make, model, and part number 242-91051
• Disconnect the battery before sensor replacement to avoid electrical issues
• Locate the sensor near the engine block as per vehicle service manual
• Use proper torque specifications when installing to prevent damage
• Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

Walker Products FSK components are manufactured to meet OEM standards for durability and performance. While specific warranty details for part number 242-91051 may vary, Walker typically offers coverage against defects in materials and workmanship. Always consult product documentation or the supplier for exact warranty terms.