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  1. Montana406
    08-11-2014 11:46 PM - permalink
    howdy;fuel pressure gauge question,installed fuel pressure gauge today not sure what to make of results.needle steady at idle(62psi)between 800&900rpms needle vibrates between 62 and 50 psi.smooths out again from 900 to 1500rpms then starts vibrating again.when I floor it the needle vibrates between 62 and frx,hpx not air in system.loud injector on pass.side could this be loose inj. or bad o-rings backing up into return line?have new pump but have had lots of other issues I've been working on and don't want to change to many things at once.power seems good.trying to wrap my brain around all this diesel stuff makes my head hurt!thanks for any help

About Me

  • About Montana406
    billings mt
    2 Letter State/Province (use "--" for outside USA/
    Country of Residence
    Current Mileage
    200,000 - 249,999
    Miles per year
    1,000 - 4,999
  • Signature
    2001 f250 7.3lfrx,hpx,IH ceramic bellowed up-pipes,4"exh,cvd,hutch&pooned,fuel pressure gauge,scan gaugeII,205,000mi


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  • Last Activity: 11-29-2016 11:38 PM
  • Join Date: 08-11-2014
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