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Re: 99 Tahoe heavy misfires, pinging, rattling
Posted to Technical Discussion Forum on 2/27/2007 1 Reply

Dean thats not the cmp signal in this capture. [1999 Chevrolet Tahoe, CKP Sensor, CMP Sensor Waveform]

The green trace is the ic signal. Every time that ckp signal gets narrow the pcm sends the ic signal way early thinking the engine has sped up resulting in... Login to read more.

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