Getting the proper meaning of the engine P0133 Code is necessary for fixing the car engine. Do not drive the car with this minor problem. You need to find the real meaning of the engine and you have to have expertise for fixing the car engine problem. If you do not know the real meaning of the code, it may take time to solve the car engine problem. Do not think to fix the car engine with the automobile meaning of the engine code. You have to use expensive machines for checking the car engine and hand tools for fixing the car engine.