How is the Mass Air Flow Sensor Serviced for the 4.0L SOHC Engine on Mercury Mountaineer?

The first step when servicing the Mass Air Flow (MAF) sensor for the 4.0L SOHC engine involves breaking off its electrical connector. First disconnect the electrical connector from the MAF sensor before you remove the two securing bolts to take out the sensor. The installation of a new or repaired MAF sensor requires bolt tightening at 2 Nm (18 lb-in) before performing the reverse order of the removal steps to finalize installation.

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
$138.13 MSRP: $227.27
You Save: $89.14 (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

OEM Mass Air Flow Sensor boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Mass Air Flow Sensor with long life and a perfect fit. Come to our website and find genuine Mercury Mountaineer parts. We keep a wide inventory of OEM Mountaineer parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Mass Air Flow Sensor is an important part that has a major impact in increasing the performance and efficiency of Mercury Mountaineer is midsized luxury SUV, which is considered to be dependable and with high level of luxury touch. This sensor determines the amount of air which is being fed to the engine; data crucial to the PCM for accurate injection of fuel and for the maintenance of an ideal a/f ratio. The Mass Air Flow Sensor is useful for different Mountaineer Series produced from 1996 to 2010 allowing the car owners to have better acceleration and less emissions on each generation. Other products such as the Vane Meter and the Hot Wire sensors are other competitor products for the Mass Air Flow Sensor notably for its accurate and responsive function, but needs regular cleaning to avoid performance problems arising from contaminants. Merely in terms of performance, the Mass Air Flow Sensor is critical; it contributes greatly to the safety of a car since it must guarantee that the engine runs properly and that there will be no stalling or incorrect air/fuel mixtures. Further, the Mass Air Flow Sensor also comes with characteristics to enable it survive the challenge of frequent usage of the Mountaineer. Another aspect that confirms Mercury's presence in the automotive market is such features as real time airflow measurement and possibility to use it at various engine configurations and thanks to all these qualities SUV Mercury Mountaineer remains a very popular car.

Mercury Mountaineer Mass Air Flow Sensor Parts and Q&A

Mass Air Flow Sensor
3L3Z-12B579-BA
Q: How is the Mass Air Flow Sensor Serviced for the 4.0L SOHC Engine on Mercury Mountaineer?
A:
The first step when servicing the Mass Air Flow (MAF) sensor for the 4.0L SOHC engine involves breaking off its electrical connector. First disconnect the electrical connector from the MAF sensor before you remove the two securing bolts to take out the sensor. The installation of a new or repaired MAF sensor requires bolt tightening at 2 Nm (18 lb-in) before performing the reverse order of the removal steps to finalize installation.