Fahrzeuge sollen nicht verschwinden wenn man zu weit weg ist??

#include "\life_server\script_macros.hpp"
/*
	File: fn_cleanup.sqf
	Author: Bryan "Tonic" Boardwine




	Description:
	Server-side cleanup script on vehicles.
	Sort of a lame way but whatever.
*/
private "_deleted";
_deleted = false;
while {true} do {
	private["_veh","_units"];
	sleep (60 * 60);
	{
		_veh = _x;
		_vehicleClass = getText(configFile >> "CfgVehicles" >> (typeOf _veh) >> "vehicleClass");




		if(_vehicleClass in ["Car","Air","Ship","Armored","Submarine"]) then {
			_dbInfo = _veh getVariable["dbInfo",[]];
			_units = {(_x distance _veh < 300)} count playableUnits;
			if(count crew _x == 0) then {
				switch (true) do {
					case ((_x getHitPointDamage "HitEngine") > 0.7 && _units == 0) : {deleteVehicle _x; _deleted = true;};
					case ((_x getHitPointDamage "HitLFWheel") > 0.98 && _units == 0) : {deleteVehicle _x; _deleted = true;};
					case ((_x getHitPointDamage "HitLF2Wheel") > 0.98 && _units == 0) : {deleteVehicle _x; _deleted = true;};
					case ((_x getHitPointDamage "HitRFWheel") > 0.98 && _units == 0) : {deleteVehicle _x; _deleted = true;};
					case ((_x getHitPointDamage "HitRF2Wheel") > 0.98 && _units == 0) : {deleteVehicle _x; _deleted = true;};
					case (_units == 0): {deleteVehicle _x; _deleted = true;};
				};
			};




			if(_deleted) then {
				waitUntil {isNull _veh};
				_deleted = false;
			};




			if(isNull _veh) then {
				if(count _dbInfo > 0) then {
					systemChat "Fixing...";
					_uid = _dbInfo select 0;
					_plate = _dbInfo select 1;
					_trunk = [[],0];
					_cargo = [];
					_fuel = 1;




					_query = format["UPDATE vehicles SET active='0', inventory='%3', gear='%4', fuel='%5' WHERE pid='%1' AND plate='%2'",_uid,_plate,_trunk,_cargo,_fuel];




					[_query,1] call DB_fnc_asyncCall;
				};
			};
		};
	} foreach vehicles;




	sleep (3 * 60); //3 minute cool-down before next cycle.
	{
		if((typeOf _x) in ["Land_BottlePlastic_V1_F","Land_TacticalBacon_F","Land_Can_V3_F","Land_CanisterFuel_F", "Land_Can_V3_F","Land_Money_F","Land_Suitcase_F"]) then {
			deleteVehicle _x;
		};
	} foreach (allMissionObjects "Thing");




	sleep (2 * 60);
	{
		deleteVehicle _x;
	} foreach (allMissionObjects "GroundWeaponHolder");
};