no intake or exhaust restriction that is excessive. Problem is also interment doesent always do it then sometimes will do itjust cruising down the highway. but will almost always do it after WOT. No gauges yet. just purchased. I was leaning towards a VGT problem myself because after transmission...
My 2004 F-350 6.0 has low power after full load or close to full load. I. E. Pulling a hill or passing or heavy accel. When it has low power it sounds as if it has no manifold Pressure (Boost). until you put your foot back in it far enough to downshift and wind up above around 2750rpm. Truck...