How to fix this depends on where specifically it is leaking from.
A few possibilities here. Oil and oil filter issues, fuel injector issues, cam issues.
probaly lost a bolt or over heated
either your radiator is leaking,head gaskit is leaking if it's your head gaskit leaking you will have water in your oil or water coming out your exhaust pipe,or you might have a freeze plug going bad.
If it's leaking from INSIDE the firewall (away from the engine compartment) you probably have a leaking heater control valve or damaged heater core.
No
Heater core is leaking and needs replacement
20.3 gallons
about 7-13 mpg
There are a few things that can cause a coolant leak but in your case it is probably the water pump. When a water pump starts to go bad it will leak coolant from the bottom.
there are freeze plugs on side of engine if the leak is at the front, check to see if coolant is leaking from water pump and running down to bottom of engine
it is mounted in the dash on the drivers side. It is designed to be see from out side the vehicle.