To switch engine off can also use setFuel and fuel:
private "_gas";
_gas = fuel heli;
heli setFuel 0;
sleep 0.01;
heli setFuel _gas;
Also sets helicopter fuel back to original quantity. Works on every other vehicle.
Description
Activates and deactivates the engine of a vehicle.
Syntax
vehicle engineOn state
Parameters:
Returns: Nothing
Examples
Example 1
if (!isEngineOn _jeep) then { _jeep engineOn true; };
Example 2
waitUntil { player == driver _jeep; };
vehicle player engineOn true;
Multiplayer
Executed on a remote vehicle this command may turn the engine on but then it will get turned off by itself after a short while.