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

In order to service the mass air flow (MAF) sensor, remove the battery ground cable and the MAF sensor connector in the first step. Get the sensor by taking out two screws attached to it. To fit the new sensor, the screws should be tightened to 10 Nm (89 lb-in) and then, the steps to be followed should be reversed to complete the procedure.

OEM Mercury Mariner Mass Air Flow Sensor

MAF Sensor Meter

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Mercury Mariner 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:
- 2005-2011 Mercury Mariner | Base, Convenience, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner 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:
- 2005-2007 Mercury Mariner | Luxury, Premier | 6 Cyl 3.0 L GAS

Mercury Mariner Mass Air Flow Sensor

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Mercury Mariner 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 Mariner?
A: In order to service the mass air flow (MAF) sensor, remove the battery ground cable and the MAF sensor connector in the first step. Get the sensor by taking out two screws attached to it. To fit the new sensor, the screws should be tightened to 10 Nm (89 lb-in) and then, the steps to be followed should be reversed to complete the procedure.