Spectra MA188 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Infiniti Pathfinder and Nissan QX4

The Spectra MA188 Mass Air Flow Sensor is designed to provide accurate airflow measurement for your Infiniti Pathfinder or Nissan QX4. This sensor helps maintain optimal engine performance by ensuring the correct air-to-fuel ratio.

• Compatible with Infiniti Pathfinder and Nissan QX4 models
• OEM-quality replacement part number MA188
• Measures the volume and density of air entering the engine
• Ensures precise fuel injection and engine efficiency
• Direct fit for easy installation without modifications

Product Details and Specifications

The Spectra MA188 Mass Air Flow Sensor is engineered to meet the exact specifications required by Infiniti and Nissan vehicles, specifically the Pathfinder and QX4 models. This sensor accurately detects the amount of air entering the engine, which is critical for the engine control unit (ECU) to calculate the proper fuel delivery. By maintaining the correct air-fuel mixture, the MA188 helps reduce emissions and supports smooth engine operation. The part number MA188 ensures compatibility and reliable performance as a direct replacement for the original sensor.

Common Applications and Problem Resolution

This mass air flow sensor is used to monitor airflow in the intake system of Infiniti Pathfinder and Nissan QX4 vehicles. It addresses several engine performance issues, including:

• Irregular or rough idling
• Reduced fuel efficiency
• Engine hesitation or stalling
• Check engine light triggered by airflow sensor faults
• Increased exhaust emissions

Installation Notes and Tips

Installing the Spectra MA188 sensor is straightforward with a direct fit design for the Infiniti Pathfinder and Nissan QX4. Before installation, ensure the engine is cool and disconnect the battery to prevent electrical issues. Remove the old sensor carefully to avoid damaging the intake system. When installing the new sensor, verify the electrical connector is secure and free of corrosion. After installation, it is recommended to clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty Information

Spectra provides this MA188 Mass Air Flow Sensor with quality assurance to meet OEM standards. While specific warranty details may vary, Spectra parts typically come with a limited warranty covering defects in materials and workmanship. This ensures that the sensor will perform reliably when installed in compatible Infiniti Pathfinder and Nissan QX4 vehicles.