Thread: Check Engine Light on, Computer will not go into diagnostic mode
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Old 07-06-2004, 06:56 PM
Ken French Ken French is offline
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Join Date: Dec 2003
Location: Thomaston Ct.
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Dan, sounds like you have a bad ECM. Typical scenario when they fail. It goes into a back-up or limp home mode. If you tap on the side of the computer, while it's running, it may straighten out. In any case, it needs to be replaced. Ken

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