Walker 242-1149 Ignition Knock (Detonation) Sensor

Overview of Walker Ignition Knock Sensor 242-1149

The Walker Products Ignition Knock (Detonation) Sensor 242-1149 is designed for precise detection of engine knock in select Chrysler and Mercedes-Benz vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending accurate signals to the engine control unit.

• Compatible with various Mercedes-Benz AMG and standard models, as well as Chrysler Crossfire
• Part number 242-1149 ensures exact fitment and reliable operation
• Designed to detect ignition knock and prevent engine damage
• Manufactured by Walker Products, a trusted name in emission control sensors
• Direct replacement sensor for emission control systems

Detailed Product Description

The Walker Products Ignition Knock Sensor 242-1149 is engineered to detect engine detonation or knock, a critical factor in maintaining engine efficiency and longevity. This sensor is compatible with a wide range of Mercedes-Benz models including the C32 AMG, C43 AMG, C55 AMG, CL55 AMG, E55 AMG, ML55 AMG, SL55 AMG, and the SLR McLaren, as well as Chrysler Crossfire vehicles. By accurately sensing knock, it allows the engine control unit to adjust ignition timing and fuel delivery, reducing the risk of engine damage and improving overall performance.

Walker Products is known for its focus on emission control components, and this ignition knock sensor is part of their specialized product line designed to meet OEM specifications. The 242-1149 sensor is manufactured to provide consistent and reliable feedback to the vehicle’s engine management system, ensuring compliance with emission standards and optimal engine operation.

Common Applications and Issues Addressed

• Prevents engine knocking and pinging in Mercedes-Benz AMG models and Chrysler Crossfire
• Helps maintain smooth engine performance and fuel efficiency
• Reduces risk of engine damage caused by detonation
• Supports emission control system functionality
• Eliminates engine warning lights related to knock sensor failure

Installation Notes and Tips

• Ensure compatibility with your specific Chrysler or Mercedes-Benz model before installation
• Disconnect the battery before sensor replacement to avoid electrical issues
• Use proper torque specifications to avoid sensor damage
• Inspect wiring and connectors for corrosion or damage during installation
• Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their ignition knock sensors, including the 242-1149 part. Each sensor undergoes rigorous testing to ensure durability and accurate performance under various operating conditions. While specific warranty details may vary, Walker Products typically offers coverage against manufacturing defects to provide confidence in the sensor’s reliability and longevity.