[Jessyy]

This is a better version of your code ... To activate the nos, hold the ALT, CTRL, FIRE key ...
A couple of things you need.
---1. zcmd include by Zeex: https://sampforum.blast.hk/showthread.php?tid=91354
---2. foreach include by ******: https://sampforum.blast.hk/showthread.php?tid=92679

Код:

#define PRESSED(%0) \
	(((newkeys & (%0)) == (%0)) && ((oldkeys & (%0)) != (%0)))
#define RELEASED(%0) \
	(((newkeys & (%0)) != (%0)) && ((oldkeys & (%0)) == (%0)))

new bool:nfsnos_mod[MAX_PLAYERS]= {false, ...};

public OnGameModeInit()
{
	SetTimer("NFSnos_time", 300, true);
	return 1;
}

public NFSnos_time()
{
	foreach(new i : Player) {
		if(nfsnos_mod[i] && GetPlayerState(i) == PLAYER_STATE_DRIVER) {
			AddVehicleComponent(GetPlayerVehicleID(i), 1010);
		}
	}
	return 1;
}

public OnPlayerKeyStateChange(playerid, newkeys, oldkeys)
{
	if(IsPlayerInAnyVehicle(playerid)) {
		if(GetPlayerState(playerid) == PLAYER_STATE_DRIVER && (PRESSED(KEY_ACTION) || RELEASED(KEY_ACTION) || PRESSED(KEY_FIRE) || RELEASED(KEY_FIRE))) {
			AddVehicleComponent(GetPlayerVehicleID(playerid), 1010);
		}
		if(PRESSED(KEY_SUBMISSION)) {
			RepairVehicle(GetPlayerVehicleID(playerid));
			SetVehicleHealth(GetPlayerVehicleID(playerid), 1000.0);
			PlayerPlaySound(playerid, 1133, 0.0, 0.0, 0.0);
		}
	}
	return 1;
}

CMD:nfsnos(playerid, params[])
{
	if(nfsnos_mod[playerid]) {
		nfsnos_mod[playerid] = false;
		SendClientMessage(playerid, 0xFF0000FF, "NFS nos activated");
	}
	else {
		nfsnos_mod[playerid] = true;
		SendClientMessage(playerid, 0xFF0000FF, "NFS nos deactivated");
	}
	return 1;
}