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2003 to 2007 6.0L Power Stroke Diesel 6.0L Power Stroke Diesel equipped Super Duty and Excursion

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  #1  
Old Sun, July 29th, 2012, 05:59 PM
Lowenbrau Lowenbrau is offline
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Default Dead Battery

Truck barely runs dash lights, and doesn't fire.

I replace both batteries with Die Hard Platinum's, and truck starts with a bunch of extra pepp. . . . ! My test drive was not as noticable.

My question is if removing both of my batteries reset anything with my FICM programs. I was running 80hp tune, which I love, and the truck felt less potent after putting in new batteries. Is that just in my head???
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Old Sun, July 29th, 2012, 10:41 PM
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superdutynick superdutynick is offline
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Default

Removing batteries would not have an effect on your FICM tune. Your truck is probably going through a relearning cycle to adapt to you and your driving. When the batteries are disconnected the "RAM" is lossed and the computer has a bit of a learning curve to go through.
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