Standard Ignition MAS0158 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Audi and Volkswagen Vehicles

The Standard Ignition MAS0158 Mass Air Flow Sensor is designed to provide accurate airflow measurement for select Audi and Volkswagen models. This sensor helps maintain optimal engine performance and emissions control by delivering precise data to the engine control unit.

• Compatible with Audi A6, Allroad Quattro, and S4 models
• Fits Volkswagen Passat models requiring precise airflow measurement
• Direct replacement for OEM mass air flow sensors
• Ensures accurate air intake readings for improved engine efficiency
• Part number MAS0158 for easy identification and fitment

Product Details and Functionality

The Standard Ignition MAS0158 Mass Air Flow Sensor measures the volume and density of air entering the engine. This information is critical for the engine control unit to calculate the correct fuel injection and ignition timing. Designed specifically for Audi A6, Allroad Quattro, S4, and Volkswagen Passat models, this sensor supports emission control systems by providing reliable airflow data. The sensor's precise measurements help maintain engine performance, fuel economy, and reduce harmful emissions.

Common Applications and Problem Resolution

• Restores proper air-fuel mixture for smoother engine operation
• Resolves rough idling and engine hesitation issues
• Eliminates check engine light triggers related to airflow sensor faults
• Improves fuel efficiency by ensuring accurate airflow data
• Supports emission compliance by maintaining sensor accuracy

Installation Notes and Tips

Installation of the Standard Ignition MAS0158 sensor requires basic mechanical skills and proper handling to avoid damage. Ensure the engine is cool before removal. Disconnect the battery to prevent electrical shorts. Remove the old sensor carefully, avoiding damage to the wiring harness. Install the new sensor securely and reconnect all electrical connections. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The MAS0158 Mass Air Flow Sensor undergoes rigorous testing to ensure durability and performance. This part is backed by Standard Ignition's limited warranty, providing coverage against defects in materials and workmanship for a specified period. Refer to the warranty documentation for detailed terms and conditions.