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  #1  
Old 03-07-2013, 11:59 AM
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DESPERATELY SEEKING HELP !

after doing every single test possible....

STILL NO START

battery are fully charged
all fuse and relay are there good and working
oil level is ok and fresh 2 weeks old
fuel filter as been chaged yesterday 1st/2nd
fuel bowl fill fast
lpo work since oil housing fill when cranking
filter brand new (motorcraft)
brand new ICP sensor
brand new IPR valve
when i changed icp-ipr...i removed hpop cover and put air pressure ...and didnt heard any leak !
i hear injector buzz
glow plug module work...i checked ea. side amp draw
brand new turbo oil feed gasket/down tube
air filter actually remove ..but clean (banks filter element k&n)
FICM voltage with key on...47...drop to 23 and back to 47 when cranking

---am i missing something here !!!

....now im really GETTING P#@% OFF !

last 2 hypothesis : HPOP is dead (not stc...whole pump) or mobil1 syn oil 5w30 to thin and cant build enough pressure ?!??!


**** PLEASE HELP**** ASAP*** THANK YOU**
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Old 03-07-2013, 05:03 PM
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Could be ficm I think if it drops below 38v it will not start. I'm assuming you read the sticky about this?
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Old 03-07-2013, 05:05 PM
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yes I did read it...
its when glow plug cycled..voltage drop...goes back to normal..well 47v when cranking !?!?
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Old 03-07-2013, 05:10 PM
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What is the ICP pressure when you are trying to start the truck? The FICM shouldn't drop below 45volts ever. But if its coming back up the truck should start.
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Old 03-07-2013, 05:13 PM
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didnt check icp pressure ? checking voltage on pigtail of icp sensor ?
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Old 03-07-2013, 05:14 PM
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See if you can monitor pressure. If it doesn't build up 500psi on the HPO system you will never get it to start.
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Old 03-07-2013, 05:39 PM
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or I will try to fit a compression gauge in icp sensor hole
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Old 03-07-2013, 05:59 PM
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DESPERATELY SEEKING HELP !

Do u have a sct tuner?


Sent from AutoGuide.com App
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Old 03-07-2013, 06:07 PM
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Yes ...and no... will get it back tomorrow...back from sct, for internalrepair/updated

Why? Take reading from sct?
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Old 03-07-2013, 06:09 PM
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DESPERATELY SEEKING HELP !

If you have a sct programmer and a pc laptop, download sct livelink. Its free and It will pull up and record all the pids you need to monitor for this job... I just went through the same deal as you.
Save your pid list to a file and transfer it to the programmer and then you wont even need the computer anymore and you can watch your sensors while driving.


Sent from AutoGuide.com App
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