How to service the MAP Sensor on Mercury Mariner?

In order to service the Map sensor, raise the vehicle in Neutral and remove its electrical connector. Unscrew the securing screw using such a tool as KD Tool #58181. Installing the new sensor, tighten 3 Nm (27 lb-in), then lubricate O-ring seal with clean engine oil and then re-install.

OEM Mercury Mariner MAP Sensor

Manifold Air Pressure Sensor

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3 MAP Sensors found

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Mercury Mariner M.A.P. Sensor Part Number: 1S7Z-9F479-AD
$73.26 MSRP: $120.55
You Save: $47.29 (40%)
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Product Specifications
- Other Name: Sensor Assembly; Manifold Absolute Pressure Sensor; Manifold Sensor; Map Sensor; Sensor; Pressure Sensor
- Replaces: 1S7Z-9F479-AA, 4S4Z-9F479-AA, CX-1976, 1S7Z-9F479-AC, CX-2559
- 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
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Mercury Mariner Map Sensor Part Number: 5L8Z-9F479-AA
$62.02 MSRP: $84.40
You Save: $22.38 (27%)
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Product Specifications
- Other Name: Sensor Assembly; Manifold Absolute Pressure Sensor; Pressure Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L GAS
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Mercury Mariner M.A.P. Sensor Part Number: 6E5Z-9F479-BA
Product Specifications
- Other Name: Sensor Assembly; Manifold Absolute Pressure Sensor; MAP Sensor; Pressure Sensor
- Replaces: 6E5Z-9F942-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Base, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS

Mercury Mariner MAP Sensor

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Mercury Mariner MAP Sensor Parts and Q&A

M.A.P. Sensor
1S7Z-9F479-AD
Q: How to service the MAP Sensor on Mercury Mariner?
A: In order to service the Map sensor, raise the vehicle in Neutral and remove its electrical connector. Unscrew the securing screw using such a tool as KD Tool #58181. Installing the new sensor, tighten 3 Nm (27 lb-in), then lubricate O-ring seal with clean engine oil and then re-install.