6.0 wont start
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6.0 wont start
I have read numerous post regarding this but nothing has got this truck running. 2006 6.0 150k miles, truck ran strong until egr cooler blew I replaced egr and oil cooler checked ipr for cleaniness and cleaned the heck out of everything before I reinstalled. Went to fire it up and nothing just turns over with an ocassional hit or two. Iam getting oil in the filter bowl and fuel in the fuel filter bowl as well. Also when cranking I do noticed white smoke puffing from the exhaust. Do I need to crank more? I already drained the batteries once, I need this trucking running before winter starts rolling in
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Joined: Dec 2010
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From: LA = Lower Alabama
There is a "no start" diagnostic checklist in the Tech Folder. Run through that and you will find your problem.
https://www.ford-trucks.com/forums/8...condition.html
My guess is HPO issue. You need .9 volts (about 700 psi) at your ICP sensor to crank it. Have you check your HPO pressure?
https://www.ford-trucks.com/forums/8...condition.html
My guess is HPO issue. You need .9 volts (about 700 psi) at your ICP sensor to crank it. Have you check your HPO pressure?
Last edited by NewToDiesels; Oct 8, 2011 at 11:34 AM. Reason: added link
Elder User
Joined: Dec 2010
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From: LA = Lower Alabama
90% chance it's related to your latest work. Double and triple check your connections (like the ground on the back of the intake manifold) that comes off your FICM harness. Recheck your FICM connections... Each injector connection.
Scratching my head, because you should be seeing right at 1 volt on the ICP. That would put you at 700-800 PSI for the HPO system. (CORRECTION by edit) 2 volts is right at 1,500 PSI.
Cheezit always posts to check the IPR valve screen when this happens after replacing the oil cooler. It should still be pristine.
From a post by KLHANSEN from the DIESELSTOP.COM
Press Press Sensor
(PSI) (MPA) Voltage
0 0 .02v
200 1.5 .4v
400 3 0.73v
600 4 .96v
800 5.5 1.2v
1000 7 1.4v
1200 8 1.6v
1400 9.7 1.9v
1600 11 2.1v
1800 12.4 2.3v
2000 13.8 2.6v
2200 15.2 2.8v
2400 16.5 3v
2600 18 3.3v
2800 19.3 3.5v
3000 20.6 3.8v
Scratching my head, because you should be seeing right at 1 volt on the ICP. That would put you at 700-800 PSI for the HPO system. (CORRECTION by edit) 2 volts is right at 1,500 PSI.
Cheezit always posts to check the IPR valve screen when this happens after replacing the oil cooler. It should still be pristine.
From a post by KLHANSEN from the DIESELSTOP.COM
Press Press Sensor
(PSI) (MPA) Voltage
0 0 .02v
200 1.5 .4v
400 3 0.73v
600 4 .96v
800 5.5 1.2v
1000 7 1.4v
1200 8 1.6v
1400 9.7 1.9v
1600 11 2.1v
1800 12.4 2.3v
2000 13.8 2.6v
2200 15.2 2.8v
2400 16.5 3v
2600 18 3.3v
2800 19.3 3.5v
3000 20.6 3.8v
Last edited by NewToDiesels; Oct 8, 2011 at 02:36 PM. Reason: posted ICP values
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hmmm....everything is plug in and connected correctly, i tried searching online to find what would cause the high pressure readings but no luck yet. im currently working on this so im back and forth from the truck to computer for answers.
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Post Fiend
Joined: Oct 2009
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From: N. Fort Worth, tx
some times they do take a little bit to start. check ficm connectors. if you have a scan tool. look at icp sync ficm sync ficm-m-pwr
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Joined: Apr 2010
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From: Saratoga Springs,UT
The IPR screen may have been clean when you had it all apart but if you got any junk in the HPO it would only junk the screen when you tried to start
If it were me Id pull IPR and check it again if nothing eles works for you
when you checked it the first time it hadnt had a chance to fill the screen with junk YET But now that you have tried to start it may have junked the IPR
If it were me Id pull IPR and check it again if nothing eles works for you
when you checked it the first time it hadnt had a chance to fill the screen with junk YET But now that you have tried to start it may have junked the IPR
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pulled the ipr valve clean as a whistle, unitl you put it in the light you can see some micro debri in the screen but i doubt this would affect it, for the heck of it i clean most of that micro debri out. i checked the ficm and it held a constant 48 volts when cranking. im running out of ideas.....i really need to get my xcal 2 to cooperate with me so i can datalog....what parameters should i look at when datalogging?
Post Fiend
Joined: Oct 2009
Posts: 12,123
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From: N. Fort Worth, tx
pulled the ipr valve clean as a whistle, unitl you put it in the light you can see some micro debri in the screen but i doubt this would affect it, for the heck of it i clean most of that micro debri out. i checked the ficm and it held a constant 48 volts when cranking. im running out of ideas.....i really need to get my xcal 2 to cooperate with me so i can datalog....what parameters should i look at when datalogging?
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i got the xcal2 working with live link 6.3 but i didnt see icp sync, ficm sync, ficm-m-pwr? are they labeled as something different. i did log some stuff,not sure if it helps,let me know. thanks
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Hotshot
Joined: Apr 2010
Posts: 19,075
Likes: 247
From: Saratoga Springs,UT
and its under the turbo
the IPR basicaly is the drain for high press Oil this is what regulates it since the pump is always pumping
05 is common to have bad STC fitting or stand pipes or dummey plugs issues
Being that your is an 05 I would start a new thread since the HPO systems are diff between 03 vs 05
see if it starts when cooled down