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International Automotive Technicians Network
Re: Quad 4 ? 3? 2? 1989 Grand Am
Posted to Technical Discussion Forum on 3/9/2002

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Hi,

I am confused as to what we are looking at on the EST line and how a shorted injector can cause this problem. Why has the ECM changed the dwell on only 2 cylinders? Sorry, but I am new to this i... Login to read more.