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04 f-250 6.0 keeps burning my FICM

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Old 10-06-2017, 08:07 PM
Maldonado Maldonado is offline
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04 f-250 6.0 keeps burning my FICM

So today I had to buy a new FICM for my truck, this is what happened, last month my truck started to leak oil from the oil coolant on top of the engine, so I had to take it all apart to replace the gaskets, and after that, the truck was running great, but the very next day, it was very rough the. I started it cold, started to shake a bit, and whenni gave some throttle, after a while it went away, I thought it wasn't big deal, later that day, it was tottaly rough running and I barely made it to my house, when I tried to turn the truck on, I noticed the pre start buzz that it usually does when I put the key on the on position was fading, it was shorter than usual, then it was erratic, then there was no buzz at all, then after doing a few researches, I came across to the FICM, And so I took it off, and I noticed on the widest female port of the FICM that the pins #24 and #25 are burned, and so on the pigtail, so I bought another FICM and I installed it, but I noticed when I turned the key on, there was no pre start buzz... Then I took it off and also noticed that the same pins were melting the plastic around them, I checked on the whites and everything, and I don't see anything wrong with them

after doing another research, I found out that the pins #24 And #25 are FICM power relay switched power, not I have no idea what this means

I o oh have access to a snap-on scanner
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Old 10-06-2017, 10:44 PM
xcrsp440 xcrsp440 is offline
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Couple things
Check if there are any codes
Check the matching connectors and make sure they are straight clean. Melting can be poor connections with extra resistance.
Oh yeah. Use that scanner to check all the various ficm voltages. Input and output
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Old 10-06-2017, 10:46 PM
Maldonado Maldonado is offline
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Quote:
Originally Posted by xcrsp440 View Post
Couple things
Check if there are any codes
Check the matching connectors and make sure they are straight clean. Melting can be poor connections with extra resistance.
Oh yeah. Use that scanner to check all the various ficm voltages. Input and output
I'll do this tomorrow morning since I ran out of daylight today, will keep up the updates on this
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Old 10-09-2017, 01:40 PM
Maldonado Maldonado is offline
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Quote:
Originally Posted by xcrsp440 View Post
Couple things
Check if there are any codes
Check the matching connectors and make sure they are straight clean. Melting can be poor connections with extra resistance.
Oh yeah. Use that scanner to check all the various ficm voltages. Input and output
I checked with my scanner and it shows the FICM low performance

"

P1378 FORD - Fuel Injection Control Module Circuit Low Voltage

Possible causes

  • Faulty Fuel Injection Control Module (FICM)
  • Fuel Injection Control Module harness is open or shorted
  • Fuel Injection Control Module circuit poor electrical connection
  • Faulty Battery or Charging system"

this is one of the main codes it shows, I also replaced the pigtail connector to the input of it, but I did this after I tried the new FICM on it, so idk if this one it's also toasted, it also melted the plug of it
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Old 10-09-2017, 08:15 PM
xcrsp440 xcrsp440 is offline
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You can send a ficm to get it tested and repaired if needed. Ficmrepair.com has good reputation based on comments on this site.
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Old 10-09-2017, 08:16 PM
xcrsp440 xcrsp440 is offline
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Also, check your alternator output and have the batteries tested.
Low input voltage kills a ficm in a short time.
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Old 10-10-2017, 10:22 AM
Maldonado Maldonado is offline
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Originally Posted by xcrsp440 View Post
You can send a ficm to get it tested and repaired if needed. Ficmrepair.com has good reputation based on comments on this site.

I already got a new FICM and it wave no questions ask warranty on it

the alternator and batteries are new on it, I know it's not from there, I will post pictures
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Old 10-10-2017, 02:39 PM
xcrsp440 xcrsp440 is offline
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Never hurts to confirm you have good voltage. Wouldn’t be the first time an alternator didn’t perform as expected or a battery failed prematurely
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Old 10-10-2017, 03:25 PM
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Originally Posted by xcrsp440 View Post
Never hurts to confirm you have good voltage. Wouldn’t be the first time an alternator didn’t perform as expected or a battery failed prematurely
will check the voltage of my alternator today and check the batteries
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Old 10-11-2017, 01:52 AM
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Stewart_H Stewart_H is offline
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Moved over to the 6.0L forum.

Stewart
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Old 10-11-2017, 05:00 AM
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Yahiko Yahiko is offline
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Thanks Stewart.
Now to see about helping.

Maldonado welcome to FTE and the 6.0L Forum.
can you take and post some photos of the damage?
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Old 10-11-2017, 05:15 PM
Maldonado Maldonado is offline
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Thanks Stewart.
Now to see about helping.

Maldonado welcome to FTE and the 6.0L Forum.
can you take and post some photos of the damage?
https://media.discordapp.net/attachments/358010898201444354/367797000017805332/20171011_171318.jpg this is the plug that I already replaced, the FICM turned it in as core already
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Old 10-11-2017, 06:16 PM
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Yahiko Yahiko is offline
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I am going to post some diagrams for you to look over.The ones for the plugs (Cxxxx) will
be from the 2006 manual the 2004 one is being a PITA today for some reason.

Also when you replaced the plug did you also replace all burnt sockets?
Attached Images
File Type: pdf C1388a-b.pdf (253.5 KB, 5 views)
File Type: pdf C1388c.pdf (206.6 KB, 3 views)
File Type: pdf 26-001 Engine Controls 2004.pdf (3.66 MB, 4 views)
File Type: pdf 11?1 Fuse and Relay Information.pdf (193.3 KB, 3 views)
File Type: pdf 13?1 Power Distribution Pt 01 of 02.pdf (4.50 MB, 2 views)
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Old 10-12-2017, 10:03 AM
Maldonado Maldonado is offline
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Quote:
Originally Posted by Yahiko View Post
I am going to post some diagrams for you to look over.The ones for the plugs (Cxxxx) will
be from the 2006 manual the 2004 one is being a PITA today for some reason.

Also when you replaced the plug did you also replace all burnt sockets?
I did replaced the whole plug, split the whites and put a new one because the connectors were burned bad, I'm thinking on buying the whole harness
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Old 10-12-2017, 04:05 PM
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You need to find why the 2 are drawing so much current before
you replace things. Yes it could be a harness failure but better to
know why than to put a $800 in an engine harness and find out
that was not it. The power on the two pins is around 12V @ 50A.
I would look for a short, but I am not quite sure on the where.
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