How do you no when you need to replace the ECM?
Dec 23, 2012 at 10:25 AM
2000 Mercury Villager You Replace ECM
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during the diag process, it may fail to control the needed outputs?? never assume this piece is bad till confirmed by someone who knows how to check. it fails for a reason ind if it is not found, then the new one will most likely fail as well.
Roy
Roy
Dec 23, 2012 at 10:29 AM
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