how to search identical element in an array?

to search position of two identical elements in an array try to print the index position of the elements using a for loop

static void Main(string[] args)
{
string[] cars = {"Volvo", "BMW", "Ford", "Mazda","Ford" };
var result= cars.Distinct().ToArray();
foreach (var item1 in result)
{
int count = 0;
int index = 0;
foreach (var item in cars)
{
if (item1 == item)
{
count += 1;
if (count > 1)
Console.WritrLine($"Index pos of repeated element {item1} at index " + index);
}
index += 1;
}
}
}

Refer: https://www.dotnetperls.com/array-indexof