HomeEmission Control > SensorsWalker 245-2204 Mass Air Flow Sensor
Part #: 245-2204

Walker 245-2204 Mass Air Flow Sensor

Walker Mass Air Flow Sensor
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Mass Air Flow Sensor
🚗Fitment: Mercury, Marauder
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Mass Air Flow Sensor for Mercury Marauder

The Walker Mass Air Flow Sensor 245-2204 is designed to provide accurate airflow measurement for the Mercury Marauder. This sensor plays a critical role in maintaining optimal engine performance and emission control.

  • Direct replacement Mass Air Flow Sensor for Mercury Marauder
  • Part number 245-2204 ensures precise fit and function
  • Part of the Walker Mass Air Flow Sensor product line focused on emission control
  • Measures air intake to optimize fuel injection and engine efficiency
  • Compatible with specific Mercury Marauder models requiring this sensor

About the Walker Mass Air Flow Sensor Product Line

The Walker Mass Air Flow Sensor line is engineered to meet stringent emission control standards by providing reliable and accurate airflow data to the engine control unit. This product line supports proper air-fuel mixture regulation, which is essential for reducing emissions and maintaining engine performance. The 245-2204 sensor is part of this line, ensuring compatibility and quality for Mercury Marauder vehicles.

Product Details and Functionality

The Walker 245-2204 Mass Air Flow Sensor monitors the volume and density of air entering the engine. This data is critical for the engine control module to adjust fuel delivery and ignition timing. Proper sensor operation helps maintain fuel efficiency, reduce emissions, and prevent engine performance issues. Designed specifically for the Mercury Marauder, this sensor matches OEM specifications for fit and function.

Common Issues Addressed by This Sensor

  • Engine stalling or rough idling due to incorrect air-fuel mixture
  • Reduced fuel efficiency caused by inaccurate airflow readings
  • Check engine light triggered by faulty mass air flow sensor signals
  • Engine hesitation or poor acceleration linked to sensor malfunction
  • Increased emissions resulting from improper air intake measurement

Installation Notes and Tips

When installing the Walker 245-2204 Mass Air Flow Sensor on a Mercury Marauder, ensure the sensor connector is securely attached and free of corrosion. Handle the sensor carefully to avoid damage to the sensing element. It is recommended to inspect the air intake system for leaks or blockages during installation to maintain sensor accuracy.

Quality Assurance and Warranty

Walker products undergo rigorous quality control to meet industry standards for emission control sensors. The 245-2204 Mass Air Flow Sensor is manufactured to provide consistent performance and durability. Please refer to Walker's official warranty policy for specific coverage details.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004MercuryMarauder4.6LV8N/AWalker Mass Air Flow Sensor
2003MercuryMarauder4.6LV8N/AWalker Mass Air Flow Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

3W3F12B579AA3W3Z12B579AA3W3Z12B579AARM3W7Z12B579AAMAF0043

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.