Ficm voltage test question - Ford Powerstroke Diesel Forum
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Old 04-09-2013, 12:38 PM
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Ficm voltage test question

Hello all, I am very new to the powerstroke community and am hoping to get a bit of clarification on something. I am having a hard start/rough running issue with my truck at the moment. I do get both a p0261 and p0270 DTC. My first thought was a possible ficm issue so I started the test procedure. I do get a solid 48v in all three test segments: KOEO, cold cranking and idling. My question is, with it passing the three voltage tests, can I reliably rule out the ficm as a cause for my issue? Any help would be greatly appreciated. John
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Old 04-09-2013, 01:13 PM
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First let me say welcome to the site. My word of advice when it comes to the ficm is if you have any questions on it to me the best person to talk to is Ed at ficmrepair.com. Dont freak out of you gotta leave a message he will cakk you back. Have a paper and pencil and a queit place to talk to this virtual YODA of the ficm. Cause he's gonna throw some info at ya...
Yes I have one of his ficm's and no I dont get paid for sending work his way....just tryin to help ya out. Good luck
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Old 04-09-2013, 01:21 PM
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Good advice from kinni, the likely answer is that yes you can still have a problem with the logic side of your ficm. With the two codes you posted, they are related to the plug closest to the firewall on your ficm. Check to make sure all the ficm connectors are seated firmly.

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