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  1. S

    Crank no start has me stumped

    Yes it is draining out of the lower fitting/pressure inlet and the bowl is filling up with the fuel bowl lid off... was thinking about camping off the lower fitting manually filling bowl and trying to start it and see if it will run off just the fuel in the boel to try An eliminate the fuel pump...
  2. S

    Crank no start has me stumped

    The fuel filter and lid o ring are new and it's leaking back through the supply fitting from fuel pump.... it had an air dog fuel pump... so I'm thinking at this point it either would have to be something in the fuel pump or a leak inline somewhere creating a siphon and draining the bowl because...
  3. S

    Crank no start has me stumped

    Okay so update I went through everything yesterday..... Oil looked good... maintaining level and doesn't seem to have fuel in it Getting good icp pressure while cranking.... 1400+ Did another buzz test all passed No cel no codes Batteries good tried block heater no change Haven't got the...
  4. S

    Crank no start has me stumped

    Okay so I'm finally gettin a chance to mess with it today.. everything looks as it should that I have checked I think my problem lies in whatever is draining my fuel bowl back through the return... as far as I know there's no check valves so I can't think of what would be causing this
  5. S

    Crank no start has me stumped

    Oil seemed good on the dipstick I'm going to drain it and see if there's fuel in it... yes seems like it is cranking evenly doesn't really feel like there's a miss while cranking and no never hydrolocked
  6. S

    Crank no start has me stumped

    I can't check to see if the fuel is black from injector o rings cause the fuel bowl drains itself but I am definitely getting plenty of fuel flow... does not start with icp unplugged I haven't ohmed out glow plugs yet but I assumed it wouldn't be that cause it was warm and I tried block heater...
  7. S

    Crank no start has me stumped

    And I don't have access to a good scanner but I have an a/e scanguage so any paramaters you recommend checking?
  8. S

    Crank no start has me stumped

    Ya I have a spare ipr I was thinking about trying I have three 7.3s so plenty of ipr and cps to play with... I didn't think it would be ipr since I'm building plenty of icp pressure while cranking??? But easy enough to try swapping
  9. S

    Crank no start has me stumped

    And no I tried it with icp unplugged and no change... tried three different cps I had just to be safe
  10. S

    Crank no start has me stumped

    Ya that's what I was thinking not sure what would be draining the bowl so quickly...and ideas? I got a mechanical gauge so I can hopefully check fuel pressure this weekend
  11. S

    Crank no start has me stumped

    So I have a 2000 f250 zf6 crank no start with white smoke while cranking Things I've checked so far Fuel filter changed Tried different cps Builds icp pressure while cranking ramps up to about 1900 or so Icp sensor appears to be working when I unplug it it makes out on scanguage Buzz test...
  12. S

    7.3 icp question/problem

    I'm located in northern Cali And pigtail for ipr was a little loose on the pins... Ordered new pig tails for both day before yesterday to give it a shot
  13. S

    7.3 icp question/problem

    Hopefully I'll have time to dive into it some this weekend but it's sounding like it might be time for some new injectors
  14. S

    7.3 icp question/problem

    Ya I figured as much but haven't had her on the road since it crapped out on me
  15. S

    7.3 icp question/problem

    And I didn't see your earlier question about a wot run I took it up to about 2200 rpm in neutral under no load and icp pressure was about 1400 and I don't remember the dc I wanna say around 20 I'll double check those numbers when I get home from work I have them all written down
  16. S

    7.3 icp question/problem

    I haven't checked fuel pressure yet only icp pressure I'll have to check that when I get home... Ya I guess it's time to start looking into the hpo system somewhere.... Looking like it will most likely be some kind of injector issue from what you guys are saying was hoping there was something...
  17. S

    7.3 icp question/problem

    Alright just checking to see if the fluctuation was normal it jumps right to about 300 when cranking and holds about there until I hold down the acc pedal an then it will finally wanna start
  18. S

    7.3 icp question/problem

    I'm not sure I haven't played with it too much it's an ae scan gauge
  19. S

    7.3 icp question/problem

    Ya dc stayed solid right after cold start dc holds right around 16.4 and when warm holds at 10.9 icp pressure fluctuates so much hard to get a reading on it jumps around so fast on the gauge
  20. S

    7.3 icp question/problem

    And I Assumed ipr or something related to that for it to happen all of the sudden like that? And ideas about the erratic Icp at idle? Is that normal?

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