Welcome Young 'un
the cd changer in your car will be in the glovebox if fitted, the newer one won't fit,
it will have the ford radio fitted so getting a changer unit shouldn't be a problem, search the bay for them.
As as for cutting out, has it been serviced properly?
the plugs on the left bank are a right pita as the inlet manifold has to be removed!
it could be something as simple as needing plugs