Ford Probe 6cyl V is losing water over 2 days. No obvious leaks. Any short term remedy to add sealant to water

davebeth asked: A small amount of white exhaust. Engine runs fantastic on my short trip to work 8 miles. 2 days ad I have to put in fair amount of water. radiator no sign of leak. Hoses seem OK. If cynlinder gasket it could be the end of my fanatastic Probe as [...]