Standard Ignition MAS0133 Mass Air Flow Sensor

Overview of Standard Ignition Mass Air Flow Sensor MAS0133

The Standard Ignition MAS0133 Mass Air Flow Sensor is designed for precise air intake measurement in select Nissan and INFINITI vehicles. This sensor ensures accurate engine performance by monitoring airflow, essential for optimal fuel delivery and emissions control.

• Bolt-on attachment method for secure installation
• Female rectangular plug-in connector with one connector
• Complete assembly including metal and plastic housing
• Four bolt holes for stable mounting
• Three male blade terminals for reliable electrical connection

Detailed Product Description and Attributes

This mass air flow sensor (part number MAS0133) features a durable metal and plastic housing that protects sensitive components from environmental damage. The sensor uses a bolt-on attachment method with four bolt holes, ensuring a firm and precise fit in the air intake system. It includes a female rectangular plug-in connector with one connector, designed for easy and secure electrical connection. The sensor terminals are male blade type, with three terminals to maintain consistent signal transmission. This complete assembly is engineered to meet the specifications required by Nissan and INFINITI models such as Frontier, Pathfinder, Pickup, Quest, QX4, and Xterra.

Compatible Vehicles and Applications

The Standard Ignition MAS0133 Mass Air Flow Sensor is compatible with the following vehicles:

• Nissan Frontier
• Nissan Pathfinder
• Nissan Pickup
• Nissan Quest
• INFINITI QX4
• Nissan Xterra

This sensor plays a critical role in the emission control system by accurately measuring the volume and density of air entering the engine, which helps the engine control unit (ECU) optimize fuel injection and combustion.

Common Issues Addressed by MAS0133 Sensor

• Engine hesitation or stalling due to incorrect air-fuel mixture
• Reduced fuel efficiency caused by inaccurate airflow readings
• Check engine light triggered by faulty mass air flow sensor signals
• Rough idling or poor acceleration performance
• Increased emissions from improper combustion control

Installation Notes and Tips

Installation of the MAS0133 sensor requires removal of the old sensor and securing the new unit using the four bolt holes provided. Ensure the female rectangular plug-in connector is fully seated to avoid electrical issues. Handle the sensor carefully to prevent damage to the terminals and housing. It is recommended to verify sensor calibration and clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The MAS0133 Mass Air Flow Sensor comes as a complete assembly with quality-tested components. Please refer to Standard Ignition’s warranty policy for coverage details.