Spectra MA275 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Infiniti and Nissan Vehicles

The Spectra MA275 Mass Air Flow Sensor is designed to provide accurate airflow measurement for Infiniti Pathfinder and Nissan QX4 models. This sensor helps maintain optimal engine performance by ensuring precise air intake readings.

• Direct replacement Mass Air Flow Sensor for Infiniti Pathfinder and Nissan QX4
• Part number MA275 ensures exact fit and function
• Measures the volume and density of air entering the engine
• Compatible with emission control systems to support regulatory compliance
• Manufactured by Spectra for consistent quality and durability

Product Details and Functionality

The Spectra MA275 Mass Air Flow Sensor plays a critical role in the vehicle’s emission control system by accurately measuring the amount of air entering the engine. This data is essential for the engine control unit (ECU) to calculate the correct fuel injection volume, which helps maintain efficient combustion and reduces emissions. Designed specifically for Infiniti Pathfinder and Nissan QX4 models, this sensor meets OEM specifications to ensure reliable performance and compatibility.

Common Applications and Problem Resolution

• Helps resolve engine stalling or rough idling caused by inaccurate air flow readings
• Addresses poor fuel economy linked to faulty mass air flow sensors
• Corrects check engine light triggers related to air intake measurement errors
• Improves acceleration issues due to improper air-fuel mixture
• Supports emission system compliance by providing accurate sensor data

Installation Notes and Tips

When installing the Spectra MA275 Mass Air Flow Sensor, ensure the vehicle is turned off and cooled down. Carefully disconnect the electrical connector and remove the old sensor without damaging the air intake system. Install the new sensor in the same orientation and secure it firmly to prevent air leaks. After installation, it is recommended to clear any diagnostic trouble codes and perform a system check to confirm proper operation.

Quality Assurance and Warranty Information

Manufactured by Spectra, the MA275 Mass Air Flow Sensor undergoes rigorous quality control to meet industry standards. While specific warranty details are not provided, Spectra products typically offer reliable durability and performance consistent with OEM requirements. For best results, use this sensor as a direct replacement for Infiniti Pathfinder and Nissan QX4 models to maintain vehicle integrity.