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Turbo Drops boost then regains boost but no smoke?

776 views 2 replies 3 participants last post by  strokerman12 
#1 ·
I have an 05 F-350 with the 6.0L and the 6 speed standard. Every once and a while the boost just drops down to 2 or 3 pounds and is gutless but no black smoke. Then either push the clutch in and rev the engine a couple times or shut it down for a minute and the turbo works fine with normal boost pressure. Sometime the turbo will just have a lot of lag and then kick in and work fine. May do it 2 or 3 times a day or not for week. Anyone have an idea of what might be causing this? Any help is greatly appreciated.
 
#2 ·
Stuck veins prolly.
 
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