Standard Ignition MAS0447 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0447

The Standard Ignition MAS0447 Mass Air Flow Sensor is designed for precise air measurement in select Lexus and Toyota vehicles. This new sensor ensures accurate airflow data to optimize engine performance and emissions control.

• Connector Gender: Female
• Single Oval Plug Connector
• Two Bolt Hole Mounting
• Four Male Pin Terminals
• New Sensor Only, Housing Not Included

Technical Details and Compatibility

This mass air flow sensor features a female connector with an oval-shaped plug, providing a secure and reliable electrical connection. It includes four male pin terminals and mounts with two bolt holes for stable installation. The sensor is sold as a new unit without the housing, intended as a direct replacement part. Compatible with a wide range of Lexus and Toyota models including Avalon, Camry, Corolla, Highlander, RAV4, Tacoma, and more, the MAS0447 supports both gasoline and hybrid variants such as the ES300h and RX450h.

Applications and Problem Resolution

This sensor is critical for accurate air intake measurement, which affects fuel injection and engine management systems. It is commonly used to address issues such as:

• Engine hesitation or stalling
• Poor fuel economy
• Check engine light related to airflow sensor faults
• Rough idling or inconsistent acceleration
• Failed emissions tests due to incorrect air-fuel mixture

Installation Notes and Tips

Installation requires removal of the old sensor and careful connection of the female oval plug to the vehicle’s wiring harness. Ensure the two bolt holes align properly for secure mounting. Since the housing is not included, reuse the existing sensor housing to protect the unit. Handle the sensor carefully to avoid damage to the terminals and connector pins.

Quality Assurance and Warranty

Standard Ignition provides this MAS0447 sensor as a new, OEM-quality replacement part. It undergoes rigorous testing to meet or exceed original equipment specifications. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.