2000 Mercury Villager You Replace ECM

2000 MERCURY VILLAGER
130,000 MILES
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How do you no when you need to replace the ECM?
Dec 23, 2012 at 6:25 PM
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ASEMASTER6371
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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
Dec 23, 2012 at 6:29 PM
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