new engine;
GetVehicleParamsEx(GetPlayerVehicleID(playerid), engine);
new vParam[7];
GetVehicleParamsEx(vehicleid, vParam[0], vParam[1], vParam[2], vParam[3], vParam[4], vParam[5], vParam[6]);
if(vParam[0]) {
//ha be van indítva
} else if(!vParam[0]) {
//ha nincs beindítva
}