The car engine should be fixed by an expert automobile engineer. Due to avoid all problems from the car engine. You should take the car to automobile repairing center where many expensive machines and expert engineers are available. After checking the car engine, the car engine P1172 Code has come on the car engine coder reader. The car engine code is meaningful and if you get the right meaning of the code, it becomes easier to solve the problem form the car engine fast. When the correct meaning of the code is not available, then new meaning will be chosen by automobile engineers.