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International Automotive Technicians Network
Re: Mil lights not coming on with dtc's on 2001 GM's
Posted to Technical Discussion Forum on 2/22/2005



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One other thing to keep in mind is the misfire monitors were phased-in from 1996 to 2002 Model Year. Early misfire monitors did not monitor all the way up to redline--they only went up to abo... Login to read more.