Global Parts 1811903 Ignition Knock (Detonation) Sensor

Reliable Ignition Knock Sensor for Audi and Volkswagen Models

The Global Parts 1811903 Ignition Knock (Detonation) Sensor is designed to accurately detect engine knock and help optimize ignition timing. Compatible with various Audi and Volkswagen vehicles, this sensor ensures precise engine performance monitoring.

• Wiring harness length of 18.75 inches for flexible installation
• Blade terminal type with 3 terminals for secure electrical connection
• Single rectangular female connector for easy plug-in compatibility
• Wiring harness included for straightforward replacement
• Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, Passat, and S4 models

Product Details and Specifications

The Global Parts 1811903 ignition knock sensor features a wiring harness length of 18.75 inches, providing sufficient reach for installation in engine compartments of Audi and Volkswagen vehicles. It includes a single rectangular female connector with three blade terminals, ensuring a reliable electrical connection. The included wiring harness simplifies the replacement process by reducing the need for additional wiring modifications. This sensor is engineered to detect engine detonation accurately, allowing the vehicle's engine control unit to adjust ignition timing and maintain optimal engine performance.

Compatible Vehicles and Applications

This ignition knock sensor is compatible with a range of Audi and Volkswagen models, including:

• Audi A4 and A4 Quattro
• Audi A6 and A6 Quattro
• Audi Allroad Quattro
• Volkswagen Passat
• Volkswagen S4

It is specifically designed for emission control systems requiring precise knock detection to improve engine efficiency and reduce harmful emissions.

Common Issues Addressed by the Ignition Knock Sensor

• Engine knocking or pinging during acceleration
• Reduced fuel efficiency due to improper ignition timing
• Check engine light triggered by knock sensor fault codes
• Engine performance issues related to detonation detection failure
• Potential engine damage from undetected knocking

Installation Notes and Tips

When installing the Global Parts 1811903 sensor, ensure the wiring harness is routed away from high-heat areas to prevent damage. The blade terminals and rectangular female connector should be securely connected to avoid intermittent signals. Since mounting hardware is not included, reuse the original hardware or source compatible fasteners. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Global Parts maintains strict quality control standards for the 1811903 ignition knock sensor to ensure reliable performance and durability. While specific warranty details are not provided, Global Parts products typically meet or exceed OEM specifications for emission control sensors, offering dependable service for Audi and Volkswagen vehicles.