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Re: need help with a secondary waveform (old school)
Posted to Technical Discussion Forum on 12/4/2007 1 Reply

assume trigger on 1 firing order 1342 , cylinder 4 is lean at this RPM but may not be at higher RPM or at WOT snap.

it looks like you dont have the resolution set high enough and the scope is missing the firing line , it is probably there , the scope is not ... Login to read more.

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