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problems on a 03' 6.0!!!!!

1K views 2 replies 2 participants last post by  sawyer1 
#1 ·
:confused: Its not mine but its my dads, Hes got 72,000 miles and when he starts his truck in the morning allows it to warm up (15-20min) and takes off it just doesnt run good its almost as if the turbo isnt spooling up, then 3-4 miles down the road it runs fine like a 6.0 should has tons of power after the 3-4 miles. He is totally stock has already changed fuel filter, air filter and his egr valve is clean and working, he also unplugged it to see if that made a difference but no luck problem has been going on for a while so any help will be much appreciated. Thanks for the help!!!
 
#2 ·
i believe there is a reprogram update for cold performance issues..got to take it to the dealor and they will reflash it:D
 
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