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.
2010 Ford Focus L4-2.0LFACTORY OEM SERVICE PROCEDURE
Air Flow Meter/Sensor: Service and Repair
Mass Air Flow (MAF) Sensor
Removal and Installation
1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Vehicle Jacking and Lifting.
2. Disconnect the Mass Air Flow (MAF) sensor electrical connector.
3. Remove the 2 MAF sensor retaining screws and the MAF sensor.
- To install, tighten to 10 Nm (89 lb-in).
4. To install, reverse the removal procedure.
Factory Service Tools
Use the Manual With the Right Hardware
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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.