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International Automotive Technicians Network
Re: finding source of electrical noise on PCM sensor lines
Posted to Technical Discussion Forum on 2/20/2014

Hi Rob,. The ecm is clean and dry, inside and out. I would love to post a waveform. not quite there yet, unfortunately. Imagine a 970 mv line with a line of 2 voit fence posts growing out of it.. continuously, except when it goes to fuel cut.

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