It depends on the thickness. If they are thin cut chops, you only need to fry them for about 90 seconds per side. Pork Chops that are about 1 inch thick should fry for about 4 minutes per side or until the internal temperature reaches 165 degrees.
How long to fry pork chops depends on the chop. Regular chops take about 20 minutes to cook and get browned on both sides. Boneless chops, or loin chops cook much quicker. they cook in about 6-10 minutes to get both sides brown.
Cooking times will vary according to thickness of the pork chops. Never eat pork that is pink in color. Internal temperature for medium chops should be 160 degrees F and well-done would be 170 degrees F.