Thread: how to test if PCM needs to be replaced?
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Old 05-12-2011, 07:38 AM
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dcf4x4
dcf4x4 is offline
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Join Date: Apr 2005
Location: West-Central New York
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My driveway test through experience:

If your fuel pump doesn't run, no wts light, no tach on the 99-2002 trucks, and no glowplug... it's a good bet it's your PCM.

Ford wants 750 plus 80 for tuning... Junkyards don't have any because it's a high demand piece....

Good luck.
 
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