Standard Ignition MAS0131 Mass Air Flow Sensor

Mass Air Flow Sensor for Ford and Mazda

Standard Ignition MAS0131 is a sensor-only mass air flow sensor built for direct replacement on select Ford and Mazda applications. It uses a screw-on attachment, a rectangular female connector, and a 4-blade male terminal layout to support accurate airflow signal delivery to the ECU.

Compatible With 1995-2002 Ford Escort, Ranger, Taurus, Aerostar, Windstar, and select Mazda 626, B2300, B2500, and B3000 applications, this Standard Ignition MAS0131 helps maintain proper air/fuel control under changing engine loads and ambient temperatures.

Key Features

• Sensor only design; housing is not included
• 100% new construction, not remanufactured
• Computer-tested for accurate airflow readings under demanding engine conditions
• Proprietary sensing elements for stable output across a wide temperature range
• Screw-on attachment method with 2 bolt holes
• Metal and plastic construction with a rectangular female connector
• 4-terminal blade connection for select OE-style applications

Detailed Description

The Standard Ignition MAS0131 mass air flow sensor is engineered to measure incoming air so the engine control unit can calculate the correct fuel delivery. Accurate airflow data is important for clean combustion, smooth drivability, and consistent engine response. This part number is a direct-fit style replacement for select Ford and Mazda vehicles, including Ford Escort, Ford Ranger, Ford Taurus, Mercury Sable, and Mazda 626 applications.

Part number MAS0131 is manufactured as a new sensor rather than a remanufactured unit, reducing the risk of leftover debris affecting sensor performance. Standard Ignition also computer-tests each unit to verify airflow signal accuracy before it leaves production. This makes MAS0131 a practical choice when replacing a failing mass air flow sensor on vehicles that rely on precise intake air measurement.

This part cross-references Delphi AF10117 and Beck/Arnley 158-1548 for the same application.

Common Issues It May Solve

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor faults
• Poor fuel control from incorrect air/fuel ratio calculation
• Driveability problems under changing temperature conditions

Installation Notes and Tips

• Verify connector shape, terminal count, and screw-on mounting before installation
• Inspect the intake tract for leaks, contamination, or damaged wiring before replacing the sensor
• Transfer only the sensor if your vehicle uses a separate housing assembly
• Clear diagnostic trouble codes after installation and confirm airflow readings with a scan tool
• Use the exact vehicle application listing for Ford Escort, Ranger, Taurus, and Mazda 626 fitment confirmation

Quality Assurance

Standard Ignition manufactures this MAS0131 sensor to strict quality standards and computer-tests each unit for airflow accuracy. The new, non-remanufactured design supports consistent performance in aftermarket replacement service.