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6.0 intermittent boost issue
Got a 2005 6.0 with an intermittent boost issue this only happens once in a while but is normally ok. My truck is as follows
Oil cooler etc
Livewire ts (Canned tunes at the moment to elimate that it wasn't a problem with tune)
So basically what happens you are going along at 50mph you then want to punch it (WOT) the turbo doesn't spool stays at 0psi and just blows loads of black smoke. If you roll into the power it's normally ok, it doesn't do this all the time just sometimes. I also had it where I was at a light and went WOT to 85mph then let off and went to get back on the power and there was no psi and black smoke.
I had the bulletproofing done just over a month ago, it's not throwing any codes and I have checked for boost leaks. From reading online I think it may be sticking vanes in the turbo??
Any help or advise is greatly welcomed!