Ford F-150 / 250 / 350 / 450:

Truck Wont Crank

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# 1  9/21/2011 2:05 AM

chris1980
New member
Registered: 9/21/2011
Posts: 2

Truck Wont Crank

2003 F450 6.0 diesel

Truck shut off driving down the road
Changed high pressure oil pump 4 months ago, ICP valve today
Cranks on ether but wont crank without it
No codes coming up


Any ideas on what the problem could be?

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# 2  9/21/2011 2:43 AM

TechHelp2
Administrator
Registered: 11/24/2009
Posts: 1299

Re: Truck Wont Crank

There are two service bulletins that might help you. The first one refers to the Fuel Injector Control Module (FICM). This is part of it below, it is to big a file to list. You can get the full copy at ALLDATAdiy.com

TSB 10-12-6
07/05/10
6.0L - RUNS ROUGH, LACKS POWER, HARD START,
NO START
FORD:
2003-2005 Excursion
2003-2007 F-Super Duty
2004-2010 E-350, E-450
ISSUE
Some 2003-2007 F-Super Duty, 2003-2005 Excursion and 2004-2010 E-Series vehicles equipped with a 6.0L engine may exhibit a runs rough, lacks power, hard start, no start concern with or without diagnostic trouble code (DTC) P0611 code or various injector circuit codes. This concern may be caused by a DC-DC converter located in one half of the Fuel Injector Control Module (FICM) or by the main circuit board in the other half of the FICM.
ACTION
Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
FICM Information:
The FICM contains two major internal components, the main circuit board and a DC-DC converter. The DC-DC converter is the device that amplifies battery voltage to 48 volts to operate the injectors.
Low FICM supply voltage results in increased FICM operating loads, potentially damaging or shortening the life of the FICM.

Try this information I listed and let us know if it helps your problem. If it doesn't then we will diagnosis the problem further.


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# 3  9/21/2011 2:59 AM

chris1980
New member
Registered: 9/21/2011
Posts: 2

Re: Truck Wont Crank

Thank you for the information. I have tested the FICM via the snap on computer and according to it the voltage is fine. I can crank it on ether but once I shut it down it will not crank again.

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# 4  9/21/2011 4:11 AM

TechHelp2
Administrator
Registered: 11/24/2009
Posts: 1299

Re: Truck Wont Crank

I'm confused, you talk about cranking. Are you talking about the starting system as of the starter and cranking? Or are you talking about the starting and running of the engine where you can drive the truck and when you turn it off you can't restart it unless you use either.

I could use more detailed information about your problem like fuel pressure, charging system and battery voltage, maintenance done on the truck like fuel filter, engine work and so on.

What is the condition of the fuel? Could you of gotten a bad  or contaminated tank of fuel?

What was the truck driving like before the problem started?

Have you checked the fuses?

Is the glow plug system working properly?

Using the scanner, do you see an RPM signal when you crank the starter to start the engine?

If you don't see an RPM signal; check the cam sensor and crank sensor for proper operation.

The more detailed information you give me the better I can help you.


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