Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1145 (ELECTRONIC ENGINE CONTROLS - GASOLINE ENGINES)REMOVAL AND INSTALLATIONMASS AIR FLOW (MAF) SENSORNOTES
2010 Mercury Mariner Hybrid, AWD
Mass Air Flow (MAF) Sensor: Notes
2010 Mercury Mariner Hybrid, AWDSECTION Notes
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
| Item | Part Number | Description |
|---|---|---|
| 1 | 9A612 | Air cleaner tray |
| 2 | 9628 | Air cleaner clamp |
| 3 | 9A628 | Mass air flow (MAF) sensor body |
| 4 | 9643 | Air cleaner cover |
| 5 | - | Engine harness-to-MAF sensor pigtail electrical connector (part of 12A581) |
| 6 | 12A690 | MAF sensor pigtail electrical connector |
| 7 | W709287 | MAF sensor screw (2 required) |
| 8 | 12B579 | MAF sensor |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.