Walker 242-91019 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Buick, Chevrolet, Oldsmobile, Pontiac

The Walker 242-91019 Ignition Knock (Detonation) Sensor is designed to provide accurate detection of engine knock in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. This sensor helps maintain optimal engine performance by monitoring detonation and sending signals to the engine control unit.

• Compatible with Buick LeSabre and Regal models
• Fits Chevrolet Lumina APV and Silhouette vehicles
• Suitable for Oldsmobile and Pontiac Trans Sport models
• Part number 242-91019 ensures precise fit and function
• Part of the Walker Products FSK line for emission control sensors

About the Walker Products FSK Line

The Walker Products FSK line focuses on emission control components, including sensors that monitor and regulate engine performance to reduce harmful emissions. The 242-91019 Ignition Knock Sensor is engineered to meet the specific requirements of the vehicles it fits, ensuring reliable detection of engine detonation and contributing to efficient emission control.

Product Details and Functionality

This ignition knock sensor detects abnormal combustion events, commonly known as engine knock or detonation, which can cause damage if left unaddressed. By accurately sensing these events, the sensor sends signals to the engine control module to adjust ignition timing and prevent engine damage. The Walker 242-91019 is designed for direct replacement in compatible Buick LeSabre, Chevrolet Lumina APV, Oldsmobile Regal, Pontiac Silhouette, and Trans Sport models, ensuring proper fit and function.

Common Issues Addressed by the Ignition Knock Sensor

• Engine knocking or pinging noises during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by detonation-related fault codes
• Potential engine damage from uncontrolled knock events
• Poor engine performance and hesitation

Installation Notes and Tips

When installing the Walker 242-91019 sensor, ensure the engine is cool and disconnect the battery to prevent electrical shorts. Locate the existing knock sensor on the engine block, remove it carefully, and install the new sensor in the same position. Torque the sensor to manufacturer specifications to avoid damage. Verify all electrical connections are secure before reconnecting the battery and testing the vehicle.

Quality Assurance and Warranty

Walker ignition knock sensors undergo rigorous testing to meet OEM standards for durability and performance. The 242-91019 part is manufactured to provide consistent and reliable operation within the specified Buick, Chevrolet, Oldsmobile, and Pontiac models. Warranty coverage details should be confirmed with the product documentation or supplier.