Falsche Tacho geschwindigkeit

hi
ich habe einen tacho gemacht und der zeigt immer die falsche gescwindigkeit an die bei 80 anfängt
ich hofffe ihr könnt helfen

mfg
King Bushido

das ist der teil
new string[256];
new Float:oldposx, Float:oldposy, Float:oldposz;
for(new i = 0; i < MAX_PLAYERS; i++)
{
if(IsPlayerConnected(i))
{
if(SafeTime[i] > 0)
{
SafeTime[i]--;
}
if(SafeTime[i] == 1)
{
if(gPlayerAccount[i] == 1 && gPlayerLogged[i] == 0)
{
SendClientMessage(i, COLOR_WHITE, "Du musst dich erst mit folgendem Befehl einloggen: /login [passwort]");
}
}
if(GetPlayerState(i) == 2)
{
GetPlayerPos(i, TelePos[i][3], TelePos[i][4], TelePos[i][5]);
if(TelePos[i][5] > 550.0)
{
TelePos[i][0] = 0.0;
TelePos[i][1] = 0.0;
}
if(TelePos[i][0] != 0.0)
{
new Float:xdist = TelePos[i][3]-TelePos[i][2];
new Float:ydist = TelePos[i][1]-TelePos[i][1];
new Float:sqxdist = xdist+=xdist;
new Float:sqydist = ydist+=ydist;
new Float:distance = (sqxdist+sqydist)/64;
if(Refueling[i] == 0 && PlayerDisplay[i] == 1 && !PlayerRentCar[i])
{
new Float:distancenew;
distancenew = distance*2;
new viewkmh[256];
new vehicle = GetPlayerVehicleID(i);
new Float:health;
new viewhealth[256];
GetVehicleHealth(vehicle, health);
if(health < 900)
{
if(health < 800)
{
if(health < 700)
{
if(health < 430)
{
viewhealth = "~r~";
}
else
{
viewhealth = "~r~~h~";
}
}
else
{
viewhealth = "~y~";
}
}
else
{
viewhealth = "~g~";
}
}
else
{
viewhealth = "~g~~h~";
}
if(distancenew > 110)
{
viewkmh = "~r~";
}
else
{
viewkmh = "~w~";
}
if(!IsAPlane(vehicle) && !IsABoat(vehicle) && !IsAFun(vehicle) && !IsASailingTest(vehicle) && !IsATrain(vehicle))
{
format(string, 256, "~n~~n~~n~~n~~n~~n~%s%.0f ~g~km/h~n~~w~%d ~b~/ ~w~100 ~r~~n~%s%s",viewkmh,distancenew,viewhealth,PlayerCarName[i]);
}
else
{
format(string, 256, "~n~~n~~n~~n~~n~~n~%s%.0f ~g~km/h~n~%s%s",viewkmh,distancenew,viewhealth,PlayerCarName[i]);
}
if(PlayerBlitzed[i] >= 1 && PlayerBlitzed[i] < 4)
{
PlayerBlitzed[i]++;
}
if(PlayerBlitzed[i] >= 4)
{
PlayerBlitzed[i] = 0;
}
GameTextForPlayer(i, string, 2500, 5);
PlayerLastSpeed[i] = distancenew;
}
}
if(TelePos[i][5] < 550.0 && TelePos[i][3] != 0.0)
{
TelePos[i][0] = TelePos[i][3];
TelePos[i][1] = TelePos[i][4];
}
}