oil cooler, egr, fuel filters and pump replaced after oil leaked into coolant system. Engine took apart and flused 5 times. worked ok about 30 days then when started ran til enging warmed up then acted like fuel was being slowly cut off about 2 min. til stopped running. won't start again til cooled off.
2006 Ford 250 6L diesel runs 2-3 min. til warm then acts like fuel shuts off. on 2006 Ford F-250 Super Duty
you must have eng codes post so we can adv. could be ,icp ipr or high pressure oil pump.