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Re: No Spark 1 and 4,
Posted to Technical Discussion Forum on 7/1/2017

[2004 Mazda 3 GT, ECM/Inputs/Outputs Waveform]

This is from an 04 Mazda 2.3

CH A ckp

CH B cmp

CH C coil 1

CH D CYL 2 running compression

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Files Referenced:

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