This engine P2546 Code is found in many car engines from different cars but meanings of the car engine code are not similar. You need to know the right meaning if you want to solve the car engine problem fast and fix the car engine problem properly. The meaning of the car engine code is available online and it is automobile dictionary meaning. The automobile dictionary meaning of the code is not always necessary for solving the car engine problem. When you do not have the right meaning of the code, then you can use this meaning of the code for solving the car engine problem.