Why is my v 6 ford engine using water no leaks found?

Why is my v 6 ford engine using water no leaks found?

If you are losing coolant and it's not leaking on the ground, you probably have a blown headgasket. Coolant is getting into the cylinder and going out the tailpipe.

Check under the front carpets the heater matrix may be leaking

Blown head gasket. Its probably going out the tail pipe. Do a compression test on each cylinder.

I would suspect the intake gasket

+1 for the headgasket. If you happen to have a Ford 3.8L or 4.2L Essex V6, it's more than likely a blown head gasket, as those engines were known for it.