Car engine problem may start serious problem if the car engine is unsolved. According to the car engine P2116 Code, the problem of the car engine is powertrain problem and this problem is not very serious problem. This problem can be fixed according to the right meaning or the automobile dictionary meaning. The automobile dictionary meaning of the code is found online easily and you can use this general meaning of the code for solving the car engine. It is the best idea to get help from an automobile engineer for solving the car engineer. Do not keep the car engine unfixed.