Walker 245-1078 Mass Air Flow Sensor

Overview of Walker Mass Air Flow Sensor 245-1078

The Walker Mass Air Flow Assembly 245-1078 is designed to provide accurate airflow measurement for Audi and Volkswagen vehicles. This sensor is essential for maintaining optimal engine performance and emission control in models such as the Audi A3, A4, A4 Quattro, Cabrio, and Volkswagen Golf, Jetta, and Passat.

• Includes housing for secure installation
• Features 4 terminals for reliable electrical connection
• Female connector gender for compatibility with factory wiring
• Does not include mounting hardware
• Compatible with multiple Audi and Volkswagen models

Detailed Product Description

The Walker Mass Air Flow Assembly 245-1078 is part of the Walker Mass Air Flow Assembly product line, which focuses on precision-engineered sensors for emission control systems. This mass air flow sensor measures the volume and density of air entering the engine, providing critical data to the engine control unit (ECU) for fuel delivery adjustments. The included housing ensures proper sensor placement and protection, while the female connector with four terminals allows for seamless integration with the vehicle's existing wiring harness. Although mounting hardware is not included, the sensor is designed to fit securely in the designated air intake location on compatible Audi and Volkswagen models.

Compatible Vehicles and Applications

This mass air flow sensor is compatible with the following makes and models:

• Audi A3, A4, A4 Quattro, Cabrio
• Volkswagen Golf, Jetta, Passat

It is specifically engineered to meet the requirements of these vehicles' emission control systems, ensuring accurate airflow measurement and engine efficiency.

Common Issues Addressed by This Sensor

• Erratic engine idling or stalling
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by airflow sensor faults
• Reduced engine power and acceleration
• Failed emissions tests related to air intake measurement

Installation Notes and Tips

When installing the Walker Mass Air Flow Assembly 245-1078, ensure the housing is properly seated to avoid air leaks. Since mounting hardware is not included, reuse the original fasteners or acquire compatible hardware separately. Verify the female connector aligns correctly with the vehicle’s wiring harness to prevent connection issues. It is recommended to handle the sensor carefully to avoid damage to the terminals and sensor element.

Quality Assurance and Warranty

Walker products are manufactured to meet OEM specifications for durability and performance. The Walker Mass Air Flow Assembly 245-1078 undergoes rigorous quality control to ensure reliable operation in emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.