Need Help
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
From what I was told about the 0603 by a technician, that code isn't really in the "library" for that year model truck. I've had it several times myself depending on the tune I'm running. I normally get the P0603 along with a U0306. I know it makes no sense, but I was just passing along the info.
Hotshot
Joined: Dec 2003
Posts: 15,369
Likes: 121
From: Stuttgart, Ar
Originally Posted by doubledee715
I saw it in the 6.0 bible so I assumed it was applied to all model years.
Posting Guru
Joined: Jul 2007
Posts: 1,233
Likes: 0
From: Las Vega$
i've never had my truck reflashed since i've owned it.. wonder if i should ? ? it runs good so why mess with it i figure.
edit: let me clarify, never had a FORD reflash.. i've flashed it many times with my SCT ! !
edit: let me clarify, never had a FORD reflash.. i've flashed it many times with my SCT ! !
Senior User
Joined: Jul 2006
Posts: 121
Likes: 0
From: canada
Originally Posted by 03strokinfl
I have an 03 6.0 When I start it in the morning it puffs out white smoke and runs really rough with a major loss in power Does anyone know what this could be
