Walker 245-2078 Mass Air Flow Sensor

Overview of Walker Mass Air Flow Sensor 245-2078

The Walker Mass Air Flow Sensor 245-2078 is designed for precise airflow measurement in select Audi and Volkswagen vehicles. This sensor helps maintain optimal engine performance by accurately monitoring the amount of air entering the engine.

• Compatible with Audi A3, A4, A4 Quattro, Cabrio and Volkswagen Golf, Jetta, Passat models
• Includes mounting hardware for secure installation
• Features a 4-terminal female connector for reliable electrical connection
• Housing not included, designed for direct replacement of original sensor

Walker Mass Air Flow Sensor Product Line Details

The Walker Mass Air Flow Sensor line focuses on emission control sensors that meet OEM specifications for fit and function. The 245-2078 part is part of this line, ensuring compatibility with specific Audi and Volkswagen models while providing consistent sensor performance. This product line emphasizes precise airflow measurement critical for engine management systems.

Detailed Product Description

This mass air flow sensor (part number 245-2078) is engineered to deliver accurate airflow data to the engine control unit (ECU) in compatible Audi and Volkswagen vehicles. It features a female connector with four terminals, facilitating a secure and stable electrical connection. The sensor does not include a housing, so it is intended to be installed using the existing housing from the original sensor. Included mounting hardware simplifies the replacement process, ensuring the sensor is firmly attached and properly aligned.

Common Applications and Issues Addressed

• Restores accurate air intake measurement for improved fuel efficiency
• Resolves engine hesitation or stalling caused by faulty airflow readings
• Helps correct rough idling and poor acceleration issues
• Supports emission control by providing precise airflow data
• Prevents check engine light triggers related to mass air flow sensor faults

Installation Notes and Tips

When installing the Walker Mass Air Flow Sensor 245-2078, ensure the original sensor housing is reused as this part does not include a housing. Use the included mounting hardware to secure the sensor firmly in place. Verify the four-terminal female connector is properly seated to avoid electrical connection issues. It is recommended to disconnect the battery before installation to prevent electrical shorts and to clear any diagnostic trouble codes after replacement.

Quality Assurance and Warranty

Walker sensors are manufactured to meet or exceed OEM standards for durability and performance. The 245-2078 mass air flow sensor undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship.