Re: 92 Olds 88. Why is the fuel control signal bad?

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Posted to Technical Discussion Forum on 8/30/2002

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Why do I think the fuel control signal is bad, because of this image [1992 Oldsmobile Eighty-Eight, ECM/Inputs/Outputs Waveform]. A rough running engine will not cause a big change in the signal frequ... Login to read more.

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