Question about 1998 Ford Expedition
You should be able to perform that task without much difficulty. The PCM is located beneath the dash on the passenger side behind and above the kick panel. You'll have to remove the battery and tray to access the PCM connector harness. There will be a small bolt running through the connector attaching it to the PCM that you'll have to remove. Once that's remove you can unclip the PCM from the inside and pull it out from under the dash. If you are replacing it, you'll have to take note of the calibration number on the sticker on the driver's door or door jamb. This number is required to program,or flash the new PCM. Hope this helps.
Posted on Dec 09, 2008
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Posted on Jan 02, 2017
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