Cardone 86-9933 Mass Air Flow Sensor

Mass Air Flow Sensor for Ford and Lincoln

Restore accurate airflow measurement with this Cardone Mass Air Flow Sensor, part number 86-9933. It is built to track original equipment output curves and maintain tight tolerances for reliable scan tool readings and consistent engine management on select Ford Expedition and Lincoln Navigator applications.

Compatible With 2003-2004 Ford Expedition and 2003-2004 Lincoln Navigator, this sensor module with housing is a direct-fit emission control replacement for vehicles that need precise air metering.

Key Features

• Guaranteed O.E. fit and function for the listed applications
• Tracks original equipment output curves for accurate engine control feedback
• 100% tested with automated computer test equipment
• Rated for demanding temperature and altitude conditions
• Black plastic housing included with bolt-on mounting
• Package contents: mass air flow sensor and instruction sheet

Detailed Description

Cardone’s Mass Air Flow Sensor line focuses on accurate airflow signal output so the engine control module can calculate fuel delivery and drivability inputs correctly. Part number 86-9933 is engineered for 2003-2004 Ford Expedition and 2003-2004 Lincoln Navigator models, with a housing-included design that matches the original sensor module configuration. This part cross-references Ford and Lincoln OE numbers 3L7Z12B579AA and 3L7Z12B579AARM for the same application.

The CARDONE Mass Air Flow Sensor product line is built around OE-style signal tracking and strict tolerance control, which helps maintain consistent scan tool readings and stable operation across changing temperature and altitude conditions. For buyers searching for a 2003 Ford Expedition mass air flow sensor with housing or a 2004 Lincoln Navigator MAF sensor replacement, this part number 86-9933 is the direct-fit option to compare against the original unit.

Common Issues This Part Can Address

• Hesitation during acceleration
• Stalling or intermittent engine operation
• Poor fuel economy
• Poor engine performance
• Faulty airflow signal readings from a worn or damaged sensor

Installation Notes and Tips

Inspect the air filter, intake tract, connectors, and wiring before installing the replacement sensor. Dirt, debris, moisture intrusion, cracked ducts, or damaged electrical connections can contribute to sensor failure and should be corrected first. Verify the mounting surface is clean and confirm the bolt-on housing aligns with the original configuration before final installation.

Quality Assurance

Every unit is tested with automated computer equipment to confirm functionality and reliability before release. CARDONE Engineered Technology is used to maintain OE-style output behavior and consistent performance across a broad range of operating conditions.