How to Service the Mass Air Flow Sensor on Ford Freestar?

You need to disconnect the battery ground cable followed by removing the MAF sensor electrical connector before servicing the Mass Air Flow (MAF) sensor. The MAF sensor requires removal by first taking out its two securing screws. The installation of a new sensor requires screw tightening to 10 Nm (89 lb-in) and follows the removal steps in reverse order during reassembly.

OEM Ford Freestar Mass Air Flow Sensor

MAF Sensor Meter

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Ford Freestar Mass Air Flow Sensor
Part Number: 3W4Z-12B579-AC
$157.79 MSRP: $259.64
You Save: $101.85 (40%)
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Product Specifications
- Other Name: Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: 3W4Z-12B579-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2007 Ford Freestar | Base, Limited, S, SE, SEL, SES | 6 Cyl 3.9 L GAS, 6 Cyl 4.2 L GAS

Ford Freestar Mass Air Flow Sensor

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Ford Freestar Mass Air Flow Sensor Parts Questions & Experts Answers

Mass Air Flow Sensor
3W4Z-12B579-AC
Q: How to Service the Mass Air Flow Sensor on Ford Freestar?
A: You need to disconnect the battery ground cable followed by removing the MAF sensor electrical connector before servicing the Mass Air Flow (MAF) sensor. The MAF sensor requires removal by first taking out its two securing screws. The installation of a new sensor requires screw tightening to 10 Nm (89 lb-in) and follows the removal steps in reverse order during reassembly.