Spectra MA174 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Infiniti and Nissan Vehicles

The Spectra MA174 Mass Air Flow Sensor is designed specifically for Infiniti and Nissan models, including the Pathfinder and QX4. This sensor ensures accurate air intake measurement, which is critical for optimal engine performance and emissions control.

• Direct replacement for OEM mass air flow sensors
• Compatible with Infiniti Pathfinder and Nissan QX4 models
• Part number MA174 for precise identification
• Ensures accurate air-fuel mixture for efficient combustion
• Supports emission control system functionality

Product Details and Compatibility

The Spectra MA174 Mass Air Flow Sensor is engineered to meet the specifications required by Infiniti and Nissan vehicles, particularly the Pathfinder and QX4. This sensor measures the volume and density of air entering the engine, providing essential data to the engine control unit (ECU). Proper air flow measurement helps maintain engine efficiency, reduces emissions, and supports smooth vehicle operation. The MA174 part number ensures you receive the correct sensor designed for these specific models.

Common Applications and Problem Resolution

This mass air flow sensor is used to monitor and regulate the air intake in the engine system. It addresses several common issues, including:

• Engine stalling or rough idling due to incorrect air-fuel mixture
• Reduced fuel efficiency caused by inaccurate air flow readings
• Check engine light activation related to air intake sensor faults
• Poor acceleration or hesitation during driving
• Increased emissions from improper combustion

Installation Notes and Tips

When installing the Spectra MA174 sensor, ensure the vehicle is turned off and cooled down. Disconnect the battery before removal to prevent electrical issues. Carefully remove the old sensor and clean the mounting area to avoid contamination. Install the new sensor securely, reconnect the electrical connector, and clear any diagnostic trouble codes if necessary. Proper installation helps maintain sensor accuracy and vehicle performance.

Quality Assurance and Warranty Information

Spectra provides this MA174 Mass Air Flow Sensor with quality standards that meet or exceed OEM requirements. While specific warranty details may vary, Spectra typically offers coverage against manufacturing defects to ensure reliability and customer confidence in the product.