Beck Arnley 158-0990 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Models

The Beck Arnley 158-0990 Ignition Knock (Detonation) Sensor is designed to maintain optimal engine performance by accurately detecting engine knock. Compatible with select Audi and Volkswagen vehicles, this sensor helps ensure efficient combustion and engine protection.

• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Volkswagen Passat
• OEM-quality ignition knock sensor for precise detonation detection
• Part number 158-0990 ensures exact fit and function
• Durable construction for long-lasting performance
• Direct replacement sensor for emission control systems

Product Details and Compatibility

This ignition knock sensor from Beck Arnley is engineered to meet or exceed original equipment specifications. It is specifically designed for emission control systems in Audi and Volkswagen vehicles, including the A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, and Passat models. The sensor detects engine knock or detonation, allowing the engine control unit to adjust ignition timing accordingly, which helps prevent engine damage and maintain fuel efficiency. Using part number 158-0990 guarantees compatibility and reliable operation within these vehicle systems.

Common Applications and Problem Resolution

• Detects engine knocking or pinging to prevent damage
• Helps maintain proper ignition timing for efficient combustion
• Reduces risk of engine misfires and rough idling
• Supports emission control by ensuring optimal engine performance
• Prevents check engine light triggers related to knock sensor faults

Installation Notes and Tips

Installation of the Beck Arnley 158-0990 ignition knock sensor requires basic mechanical skills and proper tools. Ensure the engine is cool before beginning installation. Disconnect the battery to avoid electrical shorts. Locate the existing knock sensor on the engine block, remove the old sensor carefully, and install the new sensor in the same position. Torque the sensor to manufacturer specifications to avoid damage. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Beck Arnley parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 158-0990 ignition knock sensor undergoes rigorous testing to confirm fitment and function. This part is backed by Beck Arnley's limited warranty, providing coverage against defects in materials and workmanship under normal use.