Putting the right amount of oil back into a refrigeration system after it has been leaking is a black art unless you completely flush the entire system and put the correct amount into an empty system.

To make it worse, the location of the leak will have a lot to do with how much oil gets out with the leak.

Did you replace the condensor? Did you have it repaired? If either of these questions get an affirmative answer, you probably need to add about two ounces of mineral oil.

Good luck,