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demanded rail pressure

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  1. eastmentCTD600

    Rail Pressure at Idle - Data Log of Demanded vs. Actual Pressure

    I've been using my Smarty Touch to data log some operating parameters. Of concern is my rail pressure at idle. Truck idles fine and runs good but has a slight knock, as in timing knock sound, at idle. Its minute but present. When I shift from park to drive the Actual Rail Pressure (red trace)...
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