Ford Ranger PX 2.2L 8V2112B579AA Ford Genuine Air Mass Sensor / MAF Sensor

Ford Genuine Air Mass Sensor (MAF) – Ford Ranger PX 2.2L Diesel

If your Ranger is feeling sluggish, hunting at idle, blowing extra smoke, or throwing an engine light, a tired MAF sensor is a common culprit. This is a genuine Ford air mass sensor designed to restore correct airflow readings so the ECU can fuel properly again.

• Genuine Ford part 
• Helps fix poor throttle response, flat spots, rough idle, and boost/fueling issues
• Direct replacement for the factory MAF sensor
• Ideal when diagnosing P0101 / P0102 style airflow-related faults

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Vehicle Fitment

• Ford Ranger PX 2.2L diesel

Not sure if this suits your exact build? Send us your VIN and we’ll confirm fitment before you order.

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Part Number

• 8V21-12B579-AA (also shown as 8V2112B579AA)

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Note: Always inspect the intake pipework and air filter for splits/leaks/contamination. If the old sensor is oil-contaminated (e.g., from an oiled filter), fixing the cause helps prevent repeat issues.