lost power and died while driving suspect fuel pump Need some advice. - Ford Powerstroke Diesel Forum
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Old 01-16-2013, 07:36 PM
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lost power and died while driving suspect fuel pump Need some advice.

Thanks for taking the time to take a look at this post, Lord knows I need all the help I can get.

2003 f250 fx4 6.0

This past week I have noticed the truck not quite having the passing power it used to, I wrote this off to the truck having 230k miles. and it still had plenty of take off power. It started as normal all week. while starting i have to start it twice. the first start it starts cold and when the oil pressure hits it will die. Then on the second startup it holds and stays running. i just want to post all the details.

Today while driving 75 the truck suddenly lost power and after a mile it died and would not restart. I pulled the lower fuel filter thinking it may have been clogged, it was ok, while it was off I cycled the ignition to see if there was fuel movement, there was none so I ran to the parts store and purchased a new pump. With the new pump the truck will not start at all.
These are the things I have done.
1) loosened the second filter cap and overflowed fuel till clear of air.
2) Ran the start up ignition sequence 10 times.
3) Pulled return fuel line off pump and let dribble fuel while pump is running.
4) Loosened water drain plug and let fuel run.

I am at a loss and need help. I would much rather save the boot and fix it myself.
Thanks
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Old 01-17-2013, 08:48 AM
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ficm?

Could this be an ficm problem?
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Old 01-17-2013, 08:58 AM
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lost power and died while driving suspect fuel pump Need some advice.

Do you have some sort of monitoring system like a CTS or something? That makes the trouble shooting a lot easier and helps the guys out on here to help you.


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Old 01-17-2013, 09:08 AM
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Re: lost power and died while driving suspect fuel pump Need some advice.

He^^^ beat me to it. Monitoring....Write Up: Monitoring the 6.0L PSD.
You can pic up a scanguage II at autozone.

A monitor will help figure out if you have a hpo problem. You can check your fuel pressure here.....

Put an adapter, 12x1.5mm in the port on the side of the secondary fuel filter, to check fuel pressure.

The '03 is prone to icp failure, it is located under the turbo. Sometimes they leak oil, and damage the pigtail. I don't think that would cause an immediate shutdown, but you can unplug it and see if it cranks. If it does, the icp sensor is bad.

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Old 01-17-2013, 09:14 AM
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thanks for the replies. i am picking up a scanner and will update.
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Old 01-17-2013, 10:02 AM
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Re: lost power and died while driving suspect fuel pump Need some advice.

Quote:
Originally Posted by dclifford View Post
thanks for the replies. i am picking up a scanner and will update.
A generic scanner is not the same as a monitor, and may not pull all the codes that the monitor will. The scanguage II is $160.

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Last edited by southend; 01-17-2013 at 10:45 AM.
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Old 01-17-2013, 01:33 PM
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Yes, you need to be able to monitor HPO, I just has this exact thing happen to me again. Mine was the IPR valve under the turbo. You need a minimum of 500psi for the injectors to fire. I would start with seeing exactly how much pressure you have, if its low, remove the valve, check the screen, clean it, and try again. If still no start or pressure, HPOP could be bad, will need to do air test.
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Old 01-17-2013, 01:54 PM
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Just a thought, when cranking 10-15 seconds the oil pressure gauge only moves slightly.
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Old 01-17-2013, 02:05 PM
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The gauge on the dash is from the LPOP, thats not the one that fires the injectors. It could read normal, and you still may not have any high pressure, it's two different pumps.
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Old 01-17-2013, 02:05 PM
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Re: lost power and died while driving suspect fuel pump Need some advice.

Quote:
Originally Posted by dclifford View Post
Just a thought, when cranking 10-15 seconds the oil pressure gauge only moves slightly.
That idiot guage only senses oil pressure above 7psi, it's not even connected to the pcm, but lpo will prevent the truck from starting. Are you using motorcraft filters with matching cap, and a good quality oil?

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