The automobile meaning of the engine P0134 Code is general explanation for solving the car engine problem. Do not use this general meaning of the engine if you want to fix the car engine. The general meaning is not important thing. You have to know the exact meaning of the code what your car manufacturer has set. You will get the same engine code in different cars but those meanings of the code are not same. That is why, you have to find the real meaning of the engine code what is related with your car engine. When the car engine is ok, then take the car for a test drive.