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1999 - 2003 7.3L Power Stroke Diesel  
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Old Oct 8, 2012 | 05:25 PM
  #1  
FordForPlay's Avatar
FordForPlay
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no start trouble

icp climbs to 2100 psi
idm relay good and working
no codes
oil level good
resevoir full
full pump working
good fuel
cranks stumbles and smokes.
Please Help
 
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Old Oct 8, 2012 | 06:08 PM
  #2  
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Lineman85
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does it blow out huge clouds of white smoke when ure cranking it? if so try a buzz test on the injectors. i had that same problem and it was bad injectors that wouldnt let it fire.
would just crank and blow white smoke
 
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Old Oct 8, 2012 | 06:11 PM
  #3  
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lots of white smoke i will give that a chance. my scanner is on its way. thanks
 
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Old Oct 8, 2012 | 07:11 PM
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no logged codes. tryed the buzz test p1293 open on right bank. anyone know where i can get a wiring schematic? and also a location on the idm
 
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Old Oct 8, 2012 | 07:19 PM
  #5  
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BigAlsPSD
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Originally Posted by FordForPlay
no logged codes. tryed the buzz test p1293 open on right bank. anyone know where i can get a wiring schematic? and also a location on the idm
Sounds like you might have a loose UVCH(Under Valve Cover Harness) Search 50 cent mod.

What schematic would you want?

Here is a tech bulletin for checking the resistance at the IDM.

GB_Tech_Bulletin_103_Ford IDM_Module_Replacement.pdf

Also here is the location of the IDM, inside the inner fender directly behind the F-X50 badge, obviously you do not have to remove the fender to get to it.

Name:  IDM without fender.jpg
Views: 337
Size:  117.5 KB
 
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Old Oct 8, 2012 | 07:25 PM
  #6  
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no prob bud. best of luck. but like he said the harness for the injectors could also be loose. fyi the wireing harness for the injector / g.ps is also the valve cover gasket. but the buzz test will indicate broken/ disconnected wires
 
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Old Oct 8, 2012 | 07:30 PM
  #7  
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thanks fellas i pulled the valve cover nothing obvious going to start ohming out the harness on the circuit
 
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Old Oct 8, 2012 | 08:46 PM
  #8  
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sand_fiend
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Originally Posted by FordForPlay
thanks fellas i pulled the valve cover nothing obvious going to start ohming out the harness on the circuit
Look Very close to Both the connectors. Clean them good. sometimes you will burn a pin in the plug it's self.
 
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