As a test try the original split polygon tool. You can get to it by typing the following command - SplitPolygonTool;
You can get to the options with - SplitPolygonToolOptions;
Personally I do not care for the new interactive split polygon tool and have create shelf buttons for the original split poly and split poly options.
"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675