Spectra MA398 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Nissan and Infiniti Vehicles

The Spectra MA398 Mass Air Flow Sensor is designed to provide accurate airflow measurement for a range of Nissan and Infiniti models. This sensor helps maintain optimal engine performance by ensuring the correct air-to-fuel ratio.

• Compatible with Nissan and Infiniti models including 350Z, Altima, EX35, FX35, G35, M35, Maxima, Murano, Pathfinder, Quest, and Sentra
• Direct replacement for factory mass air flow sensors
• Part number MA398 ensures precise fit and function
• Engineered to meet OEM specifications for reliable operation
• Improves engine efficiency and reduces emissions

Product Details and Specifications

The Spectra MA398 Mass Air Flow Sensor is an essential component in the emission control system, responsible for measuring the volume and density of air entering the engine. Accurate airflow data allows the engine control unit (ECU) to adjust fuel injection accordingly, optimizing combustion and performance. This sensor is compatible with a variety of Nissan and Infiniti vehicles, including popular models such as the Nissan Altima and Infiniti G35. The MA398 part number ensures a precise fit and seamless integration with the vehicle’s existing systems.

Common Applications and Problem Resolution

This mass air flow sensor is used to address several engine performance issues related to airflow measurement. It can help resolve:

• Rough idling or engine hesitation during acceleration
• Poor fuel economy due to incorrect air-fuel mixture
• Check engine light triggered by faulty airflow readings
• Engine stalling or misfires caused by inaccurate sensor data
• Increased emissions from improper combustion

Installation Notes and Tips

Installation of the Spectra MA398 sensor should be performed with care to avoid damage. Before installation, disconnect the vehicle’s battery to prevent electrical issues. Remove the old sensor carefully, ensuring the connector and wiring harness are intact. Install the new sensor in the same orientation and secure it firmly. After installation, clear any diagnostic trouble codes and verify proper operation by checking for smooth engine performance and absence of warning lights.

Quality Assurance and Warranty Information

Spectra manufactures the MA398 Mass Air Flow Sensor to meet or exceed OEM standards, ensuring durability and reliable performance. This part undergoes rigorous testing to confirm accuracy and longevity. While specific warranty details may vary, Spectra typically offers a limited warranty covering defects in materials and workmanship to provide confidence in the product’s quality.