For Sale - 2006 Dodge Ram 2500- Flatbed for long box bed Winch bumper Flat Bed for Long Box 3rd generation Cummins Tootlbox are included with key I have a flatbed for 3rd Generation dodge Cummins. This flatbed comes with a gooseneck hitch already in the bed. The winch bumper is part of the set. Tootlbox have a key to lock and unlock all box a single key. There is rust starting and electrical will have to be sorted out on your own.
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Price: $1,000.00
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Location: New Meadows, Idaho
My fuel pressure sporadically changes and considering all the prior investigating I have done, I am wondering if a weak Overflow Valve could be the culprit, or if the ECM is commanding full flow. Seems my fuel pressure will go up a little AFTER a long pull, like maybe the VP44 senses its brain is getting hot and needs more flow to help cool it. My fuel pressure sensor is at the inlet of the VP44, which is equipped with a big, long-sweep Vulcan-supplied fitting, not a banjo bolt.
I see the procedure for testing the Overflow Valve regulator is on page 14-84 of the manual (1618 of 2939 in the PDF) and seems pretty easy. Has anyone found this item to be a problem?
I can't find my exploded VP44 diagram to know if this is before or after the internal pump, not do I know if that would really affect my pressure reading. On the plus side, if this valve is opening earlier and flowing more, that ought to keep my VP44 nice and cool.
I have 10 PSIG even accelerating up hill, and sometimes my fuel pressure will go up to 14 (which almost never happens, even cold fuel at idle).