The engine P1242 Code is very important thing and it has meanings but you will allow the right meaning of the code for solving the car engine. The powertrain problem in the car engine is not very difficult to solve. Any problem of the car engine can be fixed and for solving the car engine, you need to know the meaning of the code what has found by the testing the car engine. The problem of the powertrain can be fixed without any serious attempt. Here, the problem can be fixed by removing any part from the car engine or from powertrain.