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Re: GM reference pulse signal ppl/wt wire
Posted to Technical Discussion Forum on 7/20/2009

[1992 Chevrolet S10 Pickup, ECM/Inputs/Outputs waveform] [1992 Chevrolet S10 Pickup, ECM/Inputs/Outputs waveform] Some requested new captures. EGR vacuum line has been plugged the whole time. Spray carb spray at throttle body when acting up and it still stumbl... Login to read more.

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