gray white smoke comming out when truck is just sitting?

[88loudmusic88]

gray white smoke comming out when truck is just sitting with no acceleration was not doing this when i first put the spartan tunner on just started after having it on for a month now? is it my cooler starting to leak or egr i have the delete kit but havnt had time to put it on still have warrente just have to put everthing back to stock i do not have codes neither truck runs great just smokes while sitting. spartan 300 tune with early lock and intake and exhaust