You shut off valves should be checked---put a feed line on the valves and run some water into a bucket--if bad replace--
Then the faucet itself---sometimes a bit of the cartridge rubber will break off and plug up the valve body --clean out the valve body with sandpaper and flush it out--it that doesn't do it call the plumber--or come back with more questions.
Then the faucet itself---sometimes a bit of the cartridge rubber will break off and plug up the valve body --clean out the valve body with sandpaper and flush it out--it that doesn't do it call the plumber--or come back with more questions.
