Walker 242-1137 Ignition Knock (Detonation) Sensor - Right

Reliable Ignition Knock Sensor for Audi, Porsche, Volkswagen

The Walker 242-1137 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and optimize ignition timing. Compatible with select Audi, Porsche, and Volkswagen models, this sensor helps maintain engine performance and efficiency.

• Compatible with Audi A3 Quattro, Porsche Cayenne, Volkswagen Golf, Jetta, R32, Touareg, TT Quattro, Eos, and EuroVan
• Part number 242-1137 ensures precise fit and function
• Monitors engine detonation to prevent damage and improve fuel economy
• Manufactured by Walker Products, a trusted name in emission control sensors
• Direct replacement sensor for emission control systems

About Walker Products Brand Line

Walker Products specializes in emission control components, including sensors that meet or exceed OEM specifications. The 242-1137 ignition knock sensor is part of their product line focused on delivering reliable and accurate engine monitoring solutions for European vehicles such as Audi, Porsche, and Volkswagen.

Product Description and Function

The Walker 242-1137 ignition knock sensor detects engine knocking or detonation by sensing vibrations caused by abnormal combustion. This information is sent to the engine control unit (ECU), which adjusts ignition timing to prevent engine damage and maintain optimal performance. Designed for specific fitment with Audi A3 Quattro, Porsche Cayenne, and Volkswagen models including Golf, Jetta, R32, Touareg, TT Quattro, Eos, and EuroVan, this sensor ensures compatibility and reliable operation.

Common Issues Addressed by the 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

• Ensure vehicle compatibility with Audi A3 Quattro, Porsche Cayenne, or Volkswagen models listed
• Disconnect the battery before installation to prevent electrical shorts
• Locate the existing knock sensor on the engine block and remove carefully
• Install the Walker 242-1137 sensor securely and reconnect wiring harness
• Clear any diagnostic trouble codes after installation and test drive

Quality Assurance and Warranty

Walker Products maintains strict quality control standards for their emission control sensors. The 242-1137 ignition knock sensor is manufactured to meet OEM specifications, ensuring durability and accurate performance. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term reliability.