6.0 l psd problems

I HAVE AN 07 F250 LARIAT WITH 512,000 MILES. I DRIVE HOTSHOT. OVER TIME, I HAVE REPLACED MOST INJECTORS, HEAD GASKETS, NEW ARP STUDS(THIS SOLVED THE PUKING PROBLEM),NEW TURBO, HPOP, OIL COOLER, EGR COOLER, 2 FAN CLUTCHES, 2 WATER PUMPS,ETC. CHANGED MY OIL ABOUT 4 MONTHS AGO AND GOT "20 QTS" OUT...

Hey anyone: I have some intermittant problems with my powerstoke that the dealer has not fixed. First I have a long crank sometimes that seems to be random, check engine light comes on & it has the camshaft sensor code. which was changed. They also changed my batteries telling me maybe the...