FICM and another question - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 05-07-2012, 04:18 AM Thread Starter
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Question FICM and another question

I have noticed in the last couple of weeks that I will occasionally see my FICM voltage display 47.5v for a second then back up to 48.0 - 48.5. I have only noticed it at idle, like sitting at a stop light. It's not very often. Is this something I should be concerned about? And if so, what is the best fix?

It seems like lately, during the last 2-3 weeks that my truck seems to smoke more when taking off, black smoke. It has never really smoked before unless I was trying to roll coal. Seems to mainly be when it's not fully warmed up yet. It's also gotten hot here lately, 90, summer is coming early. I run Amsoil's Diesel Concentrate in every tank. I try to always buy my gas at the same place.

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post #2 of 6 Old 05-07-2012, 04:39 AM
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as long as your above 45 Volts your OK
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post #3 of 6 Old 05-07-2012, 05:42 AM
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Youre fine! I have a 58v. But mine will drop to to 57.5. This is when I checked it with a volt meeter since my Edge doesnt read FICM volts.

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post #4 of 6 Old 05-08-2012, 04:31 PM Fanatic
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Whats the pro and cons to a 58v vs 48?
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post #5 of 6 Old 05-08-2012, 08:14 PM
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Originally Posted by cliffordbigred View Post
Whats the pro and cons to a 58v vs 48?
This is a quote from Ed at FICM - Your Source for FICM Repair
Voltage Upgrades

There are other FICM repair options that talk about the benefits of upgrading the voltage on your FICM. In fact, following consumer demand, we used to offer these voltage upgrades as well. What we've learned over time, though, is that it is just a bad idea. These modules get hot enough as a result of sitting atop the engine - stressing them further by adding additional heat is just not a recipe for success.
Though we've seen just a few failures post-upgrade, a few is a few too many. Do yourself a favor and skip the upgrade. If you are having issues with injector stiction (the sticking of injectors when the engine is cold), consider migrating to a 10W30 or, better yet, a 5W40 synthetic oil instead of changing the voltage on these units. Interestingly enough, the injectors are driven by oil in the 6.0 design. Keeping the lightest weight of oil possible along with keeping it regularly changed will go a long way towards engine longevity.
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post #6 of 6 Old 05-08-2012, 08:31 PM
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FICM voltage is fine.

As for the smoke, turbo may be sticking a little or your air filter could be all clogged up(it would have to be BAD, but something easy to check)

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