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1997 to 2003 F-150
4.2L, 4.6L, and 5.4L equipped F-150s.


 
 
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Old Thu, January 29th, 2009, 12:52 PM
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Reprogramming of the ECM does not completely eliminate the "learned" habits of the ECM? If not would you suggest a battery disconnect if big changes were made? Like huge timing or snorkel mods?
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