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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I think there is a sensor for that as well..... I just don't know much about the newer diesels. Wouldn't hurt to put a gauge on it, and see what pressure really is. Might just be a bad sensor.