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rail pressure

  1. 4th Gen Powertrain
    So my head gasket blew about 2 months ago. So I put a new one in did the head studs with it. All is good no over heating or any signs of not doing it correct. But here’s where my issues start. At first I had a slight boost leak no big deal bought a new 30 dollar gasket, took the injector lines...
  2. 3rd Gen. Powertrain
    So I posted a while back about this and took y'alls advice. I redid the injector/tube process ( I recently installed new ) and thought the problem was fixed, but a day later when the warm weather blew in it started again. Rail pressure fluctuates from 4-6k in park and then will run fine for a...
  3. 2010-2012 General Discussion
    So I am having an issue here that i cannot figure out. I just recently have been having this issue where run out 3rd gear and when i shift to 4th my rail pressure will only hit 17k psi but will pull 27k psi at WOT. if i roll into the throttle and hesitate on shifts i have no issues and will pull...
  4. 2010-2012 General Discussion
    I have a 2011 6.7 with 186,000 miles, that has fully deleted egr, 4” turbo back (no cat, muffler, or dpf) and throttle valve deleted. I also have an edge cs2 evolution on it. Other than that truck is stock. While at idle the truck will run between 4.2-5.0 rail pressure then spike up to 16-17kpsi...
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