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  1. powerstrokeboss

    6.0 issues

    With a driven diesel RR and a diy fuel system, we are holding 60 psi without it even dipping a bit under WOT, truck is noticeably quieter, and fires up faster!
  2. powerstrokeboss

    6.0 issues

    i am putting in a performance fuel system, so i never have the problem again! will let you know how it turns out.
  3. powerstrokeboss

    6.0 issues

    that what i thought. I have heard that some 6.0 just come with faulty or weak fuel pumps, but i switched it out. is there any way i could have installed it wrong? like any tricks to doing it right?
  4. powerstrokeboss

    6.0 issues

    i have stopped driving it since the problem appeared and i have checked the blue spring already and it seems to be installed correctly, i guess there's no harm in checking again! Is there any way that 30 over nozzles would require a RR?
  5. powerstrokeboss

    6.0 issues

    the new icp cleared my issues but i now have a new issue!!! my fuel pressure is too low, i get about 40 or a little less at idle and when i accelerate hard it can drop to below 20 which is terrible for the injectors. i have dropped the tank and cleaned it and the filter inside and i replaced the...
  6. powerstrokeboss

    6.0 issues

    the icp is on the oil rail up front, and i am waiting to hear if their is any other issue from the mechanic, but i did wonder about that.
  7. powerstrokeboss

    6.0 issues

    replaced the hpop related seals, did a pressure test and it has a minor leak which i figured was the pump shaft leak that is apparently OK, fired it up and drove it a bit and it still has a randomly rough idle. i have taken it to a shop and they say i have the wrong icp, i have the early version...
  8. powerstrokeboss

    6.0 issues

    just the other day it died on the highway completely, so back to square 1, I am doing some pressure tests and I think it blew a seal around the hpop, possibly one on the tube that is in with the hpop, and I think the ipr is leaking as well. I seem to blow stuff all the time when on extreme!
  9. powerstrokeboss

    6.0 issues

    i also installed new hpop and that fixed the oil pressure problem and most everything but it has weird flutter or misfire under acceleration when cold. then just the other day it started running very rough and I figured it was some bad diesel that I put in from some old jerry cans but than the...
  10. powerstrokeboss

    6.0 issues

    the boost problem was a rusted stiff unison ring. thanks for your help, i am currently doing some pressure tests to confirm it is the HPOP
  11. powerstrokeboss

    6.0 issues

    icp volts-- koeo-0.27,L idle-0.98, H idle-1.01, 65mph-1.52, WOT-2.38 to 1.5 and just when you let off it does 4.8 ipr%- in same order-14.8,14.8,14.8,24,94.9 and also its got a new fuel pump
  12. powerstrokeboss

    6.0 issues

    no it was not reading volts, so i will get the conversion
  13. powerstrokeboss

    6.0 issues

    I will check to make sure it was volts it was reading, and yes it has the blue spring but in the original housing... could that cause problems? also what is baro and is it suppose to stay about the same?
  14. powerstrokeboss

    6.0 issues

    their are no codes, the fuel pressure at idle is 54 but drops to 48 with acceleration and fluctuates under very light throttle, the fuel filters are new motorcraft filters, and the diesel is good. 1. MAP-- KOEO-100.5,L idle- 101.5,H idle-107.5,65MPH-150, WOT-250 2. BARO-- KOEO,L idle, and H...
  15. powerstrokeboss

    6.0 issues

    OK, i'll get back to you thanks
  16. powerstrokeboss

    6.0 issues

    my 03 6.0 is having some weird issues. the symptoms are, very inconsistent boosting, (sometimes it will boost sometimes it will stop at about 10lbs) low fuel pressure,(fluctuates) and the oil pressure gauge drops at idle. the fuel pressure and low pressure problems happened after a chip was...

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