stand pipes and dummy plugs and o-rings associated. I had the no hot start with my 06 and it was the STC fitting. I dont think yours has the fitting and the HPOP wouldnt be temperature dependant, this all stuff i've been told, im not an expert by any means.
just pointing you in the right direction
2006 F350 CC LB SRW 4X4
-updated STC, Dummy Plugs, standpipes, oil feed line, "Blue" fuel pressure spring
-SCT Livewire TS w/Pyro "Looney Tuned"
-RECON smoked clearance lights, black OEM grill
-Kitty and Muffler delete
-58V FICM from QuickTricks