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04 LB7 Crank No start

14K views 28 replies 9 participants last post by  83TwoTone  
04 Lb7 purchased it knowing it wasn’t running with the intent of making it a daily. Running into a crank no start condition. At this point I’m just scratching my head

Installed new batteries
Rebuilt filter head (was leaking)
Installed new fuel pressure sensor (old one was broke)
Already had new starter when purchased

Rail Pressure is getting up around 18,000 while cranking when 6,000 is desired. I know this is a problem but should still start. No fuel in oil no smoke out of exhaust.No fuel leaks. Seems to turn over harder than I imagine It should and does not maintain over 200rpm unless both batteries are hooked to a cummins. Seems to make absolutely no difference to spray a little wd40 to it. Any help on this is appreciated
Have you checked to see if you have a collapsed return line? That could cause your high rail pressure and no start issue.