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 MANUALSMERCURY2006MARINER 4WD V6-3.0L VIN 1REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSAIR FLOW METER/SENSORSERVICE AND REPAIR
2006 Mercury Mariner 4WD V6-3.0L VIN 1
Air Flow Meter/Sensor: Service and Repair
2006 Mercury Mariner 4WD V6-3.0L VIN 1SECTION Service and Repair
MASS AIR FLOW (MAF) SENSOR
Removal and Installation
CAUTION: The mass air flow (MAF) sensor electronics module and body are calibrated as a unit and must be serviced as a unit. Do not tamper with the sensing elements located in the air flow bypass of the MAF body.
1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet pipe.
3. Disconnect the mass airflow (MAF) sensor electrical connector.
4. Remove the 4 nuts and the MAF sensor.
- To install, tighten to 7 Nm (62 lb-in).
5. To install, reverse the removal procedure.
Removal and Installation
CAUTION: The mass air flow (MAF) sensor electronics module and body are calibrated as a unit and must be serviced as a unit. Do not tamper with the sensing elements located in the air flow bypass of the MAF body.
1. Disconnect the battery ground cable.
2. Remove the air cleaner outlet pipe.
3. Disconnect the mass airflow (MAF) sensor electrical connector.
4. Remove the 4 nuts and the MAF sensor.
- To install, tighten to 7 Nm (62 lb-in).
5. To install, reverse the removal procedure.
RENDER: 1.0x
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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.