Ficm voltage - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 07-18-2012, 05:30 PM Thread Starter
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Ficm voltage

I recently installed an edge monitoring system. My truck was giving me some signs that the FICM was needing replacing. However on my Edge monitor it shows that my FICM is running between 48 and 49 volts. How reliable is this? Has anyone had what the monitor say one thing but in actuality there voltage was signicantly lower? Thank you.
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post #2 of 5 Old 07-18-2012, 05:33 PM
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has the truck thrown any codes? or your just guessing it is giving you problems? it is very reliable. Some people with bad ficms and the edge showed it. what are your symptoms

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post #3 of 5 Old 07-18-2012, 07:27 PM Thread Starter
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well it has a puff of greyish blue smoke when it starts in the morning. It also has an erratic start up. Sometimes it is Bang and it fires right up and the next it kind of grumbles to a start. I have no egr. Here are my codes.

P0272
P0403
P0405
P0603
P0683
P1000
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post #4 of 5 Old 07-18-2012, 08:01 PM
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You can still have problems with the logic side, that would throw injector codes usually. In short, just showing correct voltage does not mean your ficm is good, it just gives you a warm fuzzy.

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post #5 of 5 Old 07-18-2012, 08:06 PM Thread Starter
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well that's kind of what I was thinking. I mean for what it costs for a rebuild its relatively inexpensive and a good way to possibly clear up some issues.
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