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Re: 6.5 black smoke at idle
Posted to HD/Fleet Forum on 12/26/2009

Hi Albin. Good post. I always found the scope useful and quick for 6.5L diagnosis.

You will notice the blue 4X cam signal scope trace has one wider signal that the rest. It relates to the phsyical width of the #1 signal window in the optic sensor disc, being... Login to read more.

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