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Re: 1992 Blazer 4.3L intermittent stall primary waveform Help decifir
Posted to Technical Discussion Forum on 8/28/2006

Hi Robert, the image you posted shows a before and after module replacement waveform.[1992 Chevrolet S10 Blazer, Ignition - Primary Waveform] I would think that the PRIMARY cut-off is not a clean cut-off, and likely a module internal issue. A known good wavefo... Login to read more.

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