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Re: 2000 Expedition...PCM not seeing a misfire?
Posted to Technical Discussion Forum on 8/3/2005 1 Reply

HI Kelly,

WHile I cant tell you exactly why this happens, perhaps a look into the OBD II Theory and operation will help. Here is some info I pulled out of the OBD II book for 2000 and will likely explain why you are seeing what you are seeing.

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