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Can anyone identify the issue? (Urgent?) 2010 6.4 43K miles

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6.4 rough
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440 views 3 replies 3 participants last post by  realdann  
O
#1 ·
Hi! I was hoping someone could identify this issue.

(It won't let me post the video as this appears to be my first post even though I've been lurking for years - I will post the video in a reply if it lets me.)

All was fine, now truck won't go over 40MPH (stuttering) and running very rough.

Problem started suddenly, no check engine light.

2010 F250 6.4, 43,000 Miles

I limped the last 15 miles of a 100 mile trip through some mountains.

I know it's a short video of a warm engine but I can definitely tell something isn't right.

Any help would be greatly appreciated as I am basically stuck until I get this figured out.

Thanks!!!!
 
#3 ·
Check the connections on the tubes to your intercooler and turbo. I had one come loose on mine and I could barely stay ahead of my rear license plate. If you have already found and fixed the problem, please come back and tell us.
 
R
#4 ·
Does not seem possible that it is in limp mode without a code as to why.

You have a great truck for a 2008 6.7 Cummins conversion. For the cost of rebuilding a 6.4 you can have a Cummins. This conversion has come a long way. I have an '08 F450 and it as it came from Ford with the Cummins installed. It all works, no hack job.
 
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