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Re: Compression waveform analysis
Posted to Technical Theory Forum on 4/30/2009 2 Replies

I grabbed a wave of Cylinder 1 Ignition & Injector along with the MAP signal and received an education [2004 GMC Envoy, Engine/Propulsion waveform] .

The injector is obviously fired on a closed intake valve just after the cylinder fires. I wouldn't have expe... Login to read more.

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