Cardone 86-9937 Mass Air Flow Sensor

Reliable Mass Air Flow Sensor for Nissan Pathfinder and Infiniti QX4

The Cardone Mass Air Flow Sensor 86-9937 is designed to provide accurate airflow measurement for your Nissan Pathfinder or Infiniti QX4. This new sensor helps maintain optimal engine performance and emission control by delivering precise data to the engine control unit.

• Compatible with Nissan Pathfinder and Infiniti QX4 models
• Part number 86-9937 for easy identification
• Durable black plastic housing included for protection
• Bolt-on mounting with four mounting holes for secure installation
• Environmentally conscious with E-Waste compliance
• Includes mass air flow sensor and instruction sheet

About the Cardone Mass Air Flow Sensor Product Line

The Cardone Mass Air Flow Sensor product line focuses on providing reliable and precise airflow measurement components for emission control systems. This Mass Air Flow Sensor is engineered to meet OEM specifications, ensuring compatibility and performance for specific vehicle applications such as the Nissan Pathfinder and Infiniti QX4. The sensors in this line are designed to withstand common causes of failure including cracked circuit boards and worn vane assemblies.

Product Details and Functionality

The Cardone 86-9937 Mass Air Flow Sensor features a black plastic housing that protects the sensor element from environmental damage. It mounts securely with four bolt-on holes, ensuring a stable fit in the air intake system. This sensor measures the volume and density of air entering the engine, providing critical data to the vehicle’s engine control unit for proper fuel injection and emission control. The sensor’s design helps prevent issues caused by over-voltage sources, cracked housings, or worn components.

Common Issues Addressed by This Sensor

• Engine performance problems due to inaccurate airflow readings
• Check engine light triggered by faulty mass air flow sensor
• Rough idling or stalling caused by sensor malfunction
• Reduced fuel efficiency linked to improper air-fuel mixture
• Emission control failures related to sensor errors

Installation Notes and Tips

Installation of the Cardone 86-9937 Mass Air Flow Sensor is straightforward with the included instruction sheet. Ensure the sensor element is visually inspected for damage before installation. Use the four bolt-on mounting holes to secure the sensor firmly in place. Avoid exposure to over-voltage sources such as faulty relays or shorted wiring during installation to prevent sensor damage.

Quality Assurance and Warranty

This mass air flow sensor is supplied new and meets strict quality standards for emission control sensors. Cardone products typically come with a limited warranty covering defects in materials and workmanship. The sensor is also compliant with E-Waste regulations, reflecting environmental responsibility in its design and disposal.