WHEN I FIRST PUT IGNITION ON I HAVE NO OIL LIGHT ON THE DASH,START ENGINE THEN TURN OFF LEAVE OIL TO DRAIN BACK INTO THE SUMP AFTER ABOUT 15 SECS TURN IGNITION BACK ON OIL LIGHT LIGHTS UP THEN GO'S OUT WHEN YOU CRANK THE ENGINE AS NORMAL BUT I THOUGHT THE OIL LIGHT SHOULD ALWAYS BE ON IF JUST THE IGNITION IS ON UNTIL YOU START THE CAR THE OIL LEVEL IS FINE.