Do not rely on the false meaning of the engine P0307 Code. You have to fix the car engine as soon as possible if you want to drive the car properly. You must not let any immature engineer for fixing the car engine. Do not try to solve the car engine problem by yourself if you have no experience of solving the car engine problem. You must rely on the car engine’ manual for finding the right meaning of the code. Without applying the correct meaning of the code, you cannot fix the car engine problem easily. Do not use meaning of the code from different automobile engineer.