Question about Ford Expedition
1998 Ford Truck Expedition 4WD
5.4L EFI 8cyl
PCM Ford's Location:
* Ranger - behind instrument panel (cowl), center to both driver and passenger sides.
* Explorer/Mountaineer - behind instrument panel (cowl), (access from engine compartment dash panel) on passenger side to center of vehicle.
* All other F-Series, Expedition/Navigator - lower dash panel on passenger side.
* Excursion - lower dash panel on driver side.
The PCM is behind the glove box and has a big harness connector in the firewall that you access from the engine compartment.
REMOVAL & INSTALLATION
Fig. 1 The calibration number will be needed to order such parts as a replacement PCM, various sensors, and almost any emission control component. Typically this number is attached to a label found on the driver's door or the door pillar
1997-00 F-150, F-250, Expedition and Navigator
Fig. 2 Loosen the connector retaining bolt and remove the PCM connector
Fig. 3 Remove the passenger side front door scuff plate
Fig. 4 Remove the passenger side kick panel
Fig. 5 Remove the PCM bracket clip and remove the PCM
Posted on Jul 13, 2010
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Posted on Jan 02, 2017
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