6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

sluggish.

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Feb 16, 2013 | 08:39 PM

#1

jdm5630

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Joined: Nov 2006

Posts: 271

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From: Odessa

sluggish.

For a few weeks now my truck has been really sluggish on startup. If I don't let it warm up atleast 10 min it will have trouble shifting, accelerate really slow. When I start it. It will sound like the engine is going to die. When its warm it will run great. What could it be? This is a 06 f250 6.0

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Old

Feb 18, 2013 | 01:19 AM

#2

powerstroke72

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Joined: Oct 2005

Posts: 24,308

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From: SW Virginia

Moved to the 6.0L Powerstroke Diesel forum.

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Feb 18, 2013 | 06:46 AM

#3

69cj

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Joined: Jul 2005

Posts: 13,834

Likes: 26

From: Middle Tn.

First thing is to check your ficm voltages according to the sticky in the tech folder. Batteries and alt. should also be checked at this time.

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