You must not continue any problem of the car engine. You should fix the car engine properly and you need to relay on an automobile engineer. The engine P1247 Code has found when the car engine is checked. Here the problem is found in the powertrain what is not very difficult to solve. To solve this problem, you do not need to change any component. So, the problem can be fixed at the cheap rate. You must not wrong meaning of the code and do not try to fix the car engine by any wrong meaning. If you apply wrong meaning, new problems may trigger.