1996 EVINUDE 48 SPL SEEMS TO BE RUNNING FINE BUT THE CHECK ENGINE LIGHT IS ON. THE OPERATORS MANUAL INDICATES A FUEL RESTRICTION. I HAVE TWO FUEL TANKS ON THE BOAT AND I HAVE SWITCHED THEM BUT THE LIGHT IS STILL ON. I DONT THINK THE RESTRICTION IS IN THE FUEL LINE TO THE MOTOR. ALSO CHECKED THE SCREEN IN THE FUEL PUMP. ANY HELP WOULD BE GREATLY APPRECIATED.