Do not use false meaning of the engine P0441 Code. You need to get the actual meaning for solving the car engine. The engine code contains some information what is related with the car engine problem. The engine is problematic and the engine code comes for the error of the car engine. Fix the car engine with the right meaning and using proper expertise. Some hand tools are necessary to use for solving the car engine. Once you fix the car, you can drive the car safely. Do not accept the car without a test drive. A test drive is highly recommended after solving the car engine.