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Re: Compression waveform analysis
Posted to Technical Theory Forum on 4/28/2009 14 Replies

Here is cranking compression [2004 GMC Envoy, Engine/Propulsion waveform].

Here is snap-throttle [2004 GMC Envoy, Engine/Propulsion waveform].

I don't have vacuum waveforms (or a vacuum transducer) but I could scope the MAP Sensor while cranking. Login to read more.

Files Referenced:

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