How to service the Mass Air Flow Sensor on 2003 Ford Crown Victoria?

In order to service the Air Flow Meter/Sensor, unconnect the battery ground cable, MAF sensor connector and air cleaner outlet tube. Unscrew the four bolts that hold the MAF sensor, but do not touch the sensing elements. Installation Replace calibrated MAF sensor module and body as a unit and reverse the process of removing it.

OEM 2003 Ford Crown Victoria Mass Air Flow Sensor

MAF Sensor Meter

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2003 Ford Crown Victoria Mass Air Flow Sensor Part Number: 3W7Z-12B579-BARM
$231.27 MSRP: $315.15
You Save: $83.88 (27%)
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Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: 3W7Z-12B579-BA
- Base No.: 12B579
- Item Weight: 0.70 Pounds
- Item Dimensions: 5.4 x 4.2 x 5.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3W7Z-12B579-BARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Ford Crown Victoria Submodels:
- Base, LWB, LX, LX Sport, Police Interceptor, S, Special Edition | 8 Cyl 4.6 L CNG, 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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2003 Ford Crown Victoria Mass Air Flow Sensor Part Number: 3W3Z-12B579-AARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Base No.: 12B579
- Item Weight: 0.70 Pounds
- Item Dimensions: 4.2 x 4.7 x 4.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3W3Z-12B579-AARM
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Ford Crown Victoria Submodels:
- Base, LWB, LX, LX Sport, Police Interceptor, S | 8 Cyl 4.6 L CNG, 8 Cyl 4.6 L GAS

2003 Ford Crown Victoria Mass Air Flow Sensor

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2003 Ford Crown Victoria Mass Air Flow Sensor Parts Q&A

Q: How to service the Mass Air Flow Sensor on 2003 Ford Crown Victoria?
A: In order to service the Air Flow Meter/Sensor, unconnect the battery ground cable, MAF sensor connector and air cleaner outlet tube. Unscrew the four bolts that hold the MAF sensor, but do not touch the sensing elements. Installation Replace calibrated MAF sensor module and body as a unit and reverse the process of removing it.