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Oct 2, 2010 | 05:00 PM

#31

troddleboy

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Joined: Jan 2006

Posts: 29

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From: Fort Ripley MN

Well it will not resart
I cleaned fuel pressure regulator valve now fuel pressure is 52 psi
Plugged truck in for couple hrs still no start
HPOP pressure is all over the place every time I try to start now I am 475 PSI. I am going to remove IPR and check if screen is gone or damaged

cylinders 1357 on right bank and 2468 on left bank and 1,3,4,6,8 were cold when I did have engine trying to run

Oct 2, 2010 | 05:29 PM

#32

gearloose1

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Joined: Jul 2005

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You could have just wore out batteries and voltage is too low for FICM...

Charge it overnite.. verify voltage... and monitor FICM voltage at output before you try again.

Oct 2, 2010 | 05:32 PM

#33

gearloose1

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I need the firing order... see if there is something going on there.

Oct 2, 2010 | 05:34 PM

#34

bismic

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troddleboy -

FYI - uofmgriz just experienced a bad FICM that tested good w/ the voltage test. The voltage test is not always an accurate means of diagnosis.

Oct 2, 2010 | 05:55 PM

#35

gearloose1

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Quote:

Originally Posted by bismic

troddleboy -

FYI - uofmgriz just experienced a bad FICM that tested good w/ the voltage test. The voltage test is not always an accurate means of diagnosis.

Thanks for the words of wisdom!

Is the best way to find out to just swap in another known good one in the field?

Oct 2, 2010 | 05:59 PM

#36

bismic

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Joined: Nov 2003

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Quote:

Originally Posted by gearloose1

Thanks for the words of wisdom!

Is the best way to find out to just swap in another known good one in the field?

That is my conclusion! I now have a spare FICM and travel with it on trips out of town (knowing someone w/ a spare is a better solution financially than having a spare BTW).

Oct 2, 2010 | 06:04 PM

#37

gearloose1

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At the rate I am going, I am going to be one huge 6.0 junk yard heap...

Oct 3, 2010 | 11:57 AM

#38

troddleboy

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Freshman User

Joined: Jan 2006

Posts: 29

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From: Fort Ripley MN

Removed IPR (what fun) screen is concaved in and I see small pieces of metal imbedded into the screen. I assume there is a procedure to deadhead test HPOP does anyone know it

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Oct 3, 2010 | 12:01 PM

#39

cheezit

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Joined: Oct 2009

Posts: 12,123

Likes: 35

From: N. Fort Worth, tx

sure is....
remove both valve covers, install special tool OTC ZTSE4576 ICP LEAK TEST PLUGS (NO. 10) for International in oil supply lines and command knowen good ipr to 100% while cranking engine.
your looking for 3500 psi of icp

Oct 3, 2010 | 12:03 PM

#40

gearloose1

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Joined: Jul 2005

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Think at this point, the real diesel techs like old cheeze have to take it from here...

Not much more the software / electronics people can do.

Oct 9, 2010 | 09:43 AM

#41

troddleboy

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Freshman User

Joined: Jan 2006

Posts: 29

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From: Fort Ripley MN

Thanks everyone for all the great help found HPOP pump bad in process of replacing. One more question is truck has 160,000 mile on it and has never had a EGR cooler going past it for pump should I test and reuse if good or replace it?