'may face problems' is correct and usable in written English.
You can use it when you are saying that someone or something is likely to encounter difficulties. For example: "If we continue on this course of action we may face problems further down the line."
We may face problems in the future".
You may face problems if your employment status changes and you find yourself entitled to join a company pension scheme.
But the White House may face problems from the Fed if the war in Iraq turns out exactly as administration officials hope.
The emerging markets that prospered from exports may face problems if demand falls in most of the major countries that are their customers.
I am concerned because I understand he may face problems with immigration and with his college if the criminal charges against him are not dropped.
Other finance companies that specialize in lending to weak borrowers, like Metris and AmeriCredit, may face problems similar to Providian's, said M. W. Montgomery, partner in a hedge fund that has sold those stocks short.
The RLA said those aged under-35 may also face problems accessing rented accommodation.
The president's plans for the Pentagon may also face problems in the Republican-controlled House.
Texas may also face problems because of its severe drought, the group said.
Though other governments may not face problems so dire, none are eager to see revenues fall.OPEC's power over prices will be checked by two factors.
Traditional models may also face problems with reforms and market measures to obtain lower prices for generics and for interchangeable brands in a class if these initiatives are new to the health service.
