The right meaning of the engine code helps only for fixing the car engine and meaning of the engine P0758 Code also helps for solving the car engine problem if you seek for the right meaning of the code. The right meaning of the code is found in the car engine manual. Do not trust any other meaning for solving the car engine problem. The automobile dictionary meaning of the code is found online and it is not used primary basis for solving the car engine. Do not apply wrong meaning of the code for solving the car engine, it may create new problem in the car engine.