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I recently bought an 06 super duty with a 6.0, and I am trying to determine if I have an FICM issue for sure. Mine smokes at start up and up until it gets warmed up. If I give it some throttle durning that time it really smokes a bluish white smoke. Hooked up a scaner and have ocassional drops in FICM voltage, down to 46.3v. Not totally sure thats the true problem. Have good voltage everywhere else and good connections as well. Any information?
 

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Yes, I checked it from cold all the way to operating temp, recorded it all, then looked over it. The voltage never dropped below 46.3v, and yeah from all I have been reading the symptoms sure sound like the FICM. Just didn't want to just through $$$ at it and hope!
 
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