03 6.0 Cranks but doesn't start - Ford Powerstroke Diesel Forum
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post #1 of 20 Old 06-02-2011, 12:41 PM Thread Starter
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03 6.0 Cranks but doesn't start

Hi All, I'm new to the forum and appreciate any help on this issue I'm having. About eight or nine months ago I went to start the truck (summer) and it would crank but wouldn't turn over (no smoke or anything) and after checking what I could(oil, wires) still nothing then after a few more attempts it started and ran fine until a couple of months later, it did it again. Recently it happened twice in one week so I took it to a buddy that has a shop to see what code may have been stored, he said the two codes were the crank sensor and the FICM I'm just puzzled because the problem is intermittent. Any help would be appreciated, Thanks
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post #2 of 20 Old 06-02-2011, 12:58 PM
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Use the "Google Custom Search" box...upper left, under the Powerstroke.org logo. Search for FICM. Posts should come up and might give you some help or ideas.....

Good luck getting it going again.


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post #3 of 20 Old 06-02-2011, 01:05 PM
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Do all of this in this order.
Take the batteries out of the truck, bring them to an autoparts store and have them LOAD tested. If they fail, or are marginal, replace them with the proper sized batteries.
Put the batteries on a battery charger. Make sure they are fully charged.
Clean all the battery connections.
Lastly, go to this LINK and follow the directions carefully.

You have to verify that the batteries are in good working condition before checking the FICM so that the testing results are accurate. If you skip a step by assuming something, you could potentially replace a FICM, and then have the new one burn out due to a bad battery that you would have caught if you did not skip a step.
Good luck.


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Last edited by NYC F-350; 06-02-2011 at 03:28 PM.
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post #4 of 20 Old 06-02-2011, 01:48 PM Thread Starter
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Thanks for the replies, link doesn't work btw and I will check the batteries.
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post #5 of 20 Old 06-02-2011, 03:29 PM
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Fixed the link, sorry about that. Don't know wtf happened.


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post #6 of 20 Old 06-02-2011, 04:04 PM Thread Starter
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Thanks NYC
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post #7 of 20 Old 06-03-2011, 02:06 PM Thread Starter
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well I went and had the batteries load tested and they were good, I let the truck cool down a few hours but still felt hot but tested the ficm anyway and with the key on buzzing it was at 48.5, when running it went down to 38 and stayed there. I'm going to wait until morning and try it again when it's cold and go from there. The other code mentioned was the crank sensor which looks like a PIA to replace...lol
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post #8 of 20 Old 06-03-2011, 02:08 PM
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Crank sensor codes can be thrown by over-cranking the engine to get it to start.
You need to repair your FICM. It should NEVER drop to 38 volts.


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post #9 of 20 Old 06-03-2011, 02:20 PM Thread Starter
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Thanks, that's my project for tomorrow then also do I need to get it flashed after this? I think it's been a few years since it's been flashed. I'm the lucky owner of this thing since it was new but I forget all the warranty work and flashes that's been done on it..lol
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post #10 of 20 Old 06-03-2011, 02:30 PM
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You can repair the existing, if you have supreme soldering skill.
If you don't there are places you can send it that will save you hundreds of dollars over buying a new one from Ford.
Swamps diesel, Innovative Diesel, Quick Tricks Auto are but a few. Bulletproof diesel is working on their own version, but it isn't even in Beta testing yet.


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