How to Service the Mass Air Flow Sensor on Mercury Mountaineer?

In order to remove the Air Flow Meter/Sensor, de-connect battery ground cable and MAF sensor connector. Unclamp the air cleaner outlet tube, remove four bolts and extract the sensor. The body and the MAF sensor module should be serviced. Uninstallation is the same way in reverse.

How is the Mass Air Flow Sensor Serviced on Mercury Mountaineer?

In order to service the Mass Air Flow (MAF) sensor, begin by un-connection of the battery ground cable. Then take out the elements presented in the order presented in the diagram and table. To install, just turn the steps that were followed to remove the item in the reverse direction so as to complete the process.

OEM Mercury Mountaineer Mass Air Flow Sensor

MAF Sensor Meter

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6 Mass Air Flow Sensors found

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Mercury Mountaineer Mass Air Flow Sensor Part Number: 3L3Z-12B579-BA
$156.67 MSRP: $257.78
You Save: $101.11 (40%)
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Product Specifications
- Other Name: Sensor Assembly; Air Charge Temperature Sensor; Intake Air Temperature Sensor; MAF Sensor; Sensor
- Manufacturer Note: 4.6L, Police
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Air Mass Sensor Part Number: F57Z-12B579-TRM
$73.56 MSRP: $97.95
You Save: $24.39 (25%)
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Product Specifications
- Other Name: Sensor Assembly; Mass Air Flow Sensor; MAF Sensor Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer Mass Air Flow Sensor Part Number: 1L2Z-12B579-ABRM
$231.27 MSRP: $315.15
You Save: $83.88 (27%)
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Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: 1L2Z-12B579-AAA, 1L2Z-12B579-AAARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Mass Air Flow Sensor Part Number: 1L2Z-12B579-ARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; Air Charge Temperature Sensor; MAF Sensor Assembly.; Air Mass Sensor
- Replaces: 1L2Z-12B579-BA, 1L2Z-12B579-BARM, XF2Z-12B579-AA, AFLS-154, XF2Z-12B579-ABRM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Mass Air Flow Sensor Part Number: F57Z-12B579-NRM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: F57Z-12B579-DBRM, F57Z-12B579-DA, AFLS-119-RM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Mass Air Flow Sensor Part Number: F57Z-12B579-CARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS

Mercury Mountaineer Mass Air Flow Sensor

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Mercury Mountaineer Mass Air Flow Sensor Parts and Q&A

Mass Air Flow Sensor
1L2Z-12B579-ARM
Q: How to Service the Mass Air Flow Sensor on Mercury Mountaineer?
A: In order to remove the Air Flow Meter/Sensor, de-connect battery ground cable and MAF sensor connector. Unclamp the air cleaner outlet tube, remove four bolts and extract the sensor. The body and the MAF sensor module should be serviced. Uninstallation is the same way in reverse.
Mass Air Flow Sensor
3L3Z-12B579-BA
Q: How is the Mass Air Flow Sensor Serviced on Mercury Mountaineer?
A: In order to service the Mass Air Flow (MAF) sensor, begin by un-connection of the battery ground cable. Then take out the elements presented in the order presented in the diagram and table. To install, just turn the steps that were followed to remove the item in the reverse direction so as to complete the process.