help me
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Joined: Dec 2010
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help me
hey guys i have a problem and i cant figure it out my ficm went out of me 04 6.0 powerstroke so i got a remand one put it in and the truck fired right up but it runs good up to 50 mile an hour but past that it has no power i flashed the codes and 2 codes for the turbo came up 299 and 2262 and also one code for the icm 603 this truck has been giving me problems all summer the egr cooler went out so i put the delete kit in and a 5 inch exhaust it ran great but it still didn't feel like it had the right amount of power so i got a tuner and it ran crazy and then the ficm went out i just don't know what to do
Hotshot
Joined: Aug 2006
Posts: 17,400
Likes: 319
From: Whittier, CA
Yah, you want to get over the 6.0 forum.
Meanwhile, I think the P0603 is just a flash mismatch between the FICM and the PCM. That happens when you install an FICM and don't have the dealer flash it. If I am right, it won't hurt anything and the code is harmless.
The other two sound like you have a gunked up turbo. It is underboosting for some reason. Might just be a leak.
Meanwhile, I think the P0603 is just a flash mismatch between the FICM and the PCM. That happens when you install an FICM and don't have the dealer flash it. If I am right, it won't hurt anything and the code is harmless.
The other two sound like you have a gunked up turbo. It is underboosting for some reason. Might just be a leak.
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