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low pressure

  1. 6.0L Problems Forum
    Hey guys need help and ideas to figurine out my 2003 6.0 problem. Just rebuilt the motor, studs, welded egr, oil cooler, new pistons, heads upgraded pushrods lifters and bridges, ect. had a problem with it ever since its been back together. hard start when cold and no start when hot, oil...
  2. 6.0L Problems Forum
    Ok so heres whats going on i had a airdog 2 and was only getting 22 psi at the driven diesel fuel pressure regulator after dealing with them and getting no result and no answers i decided to go with the fass 220gph pump and maybe i will be able to get up to the recommended 60 psi well it went up...
  3. 6.0 Motor problems
    Just recently hooked up my mechanical glowshift fuel psi gauge. Before start, I have about 51 psi, starting it drops to 45, and it idles about 46-48. Getting on it on the highway, drops as low as 38. Any suggestions on what to check/replace to get my pressure back up to what I believe is 60-65...
  4. 6.0 Motor problems
    Now that its getting hot out, when my truck has been running it doesnt want to start back up. I let it cool down a bit and starts fine. Ive read some other posts on here saying its the HPOP. and of course this item for the 6.0 is twice as expensive as all the others. Is there a way to pinpoint...
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