The engine C1247 Code plays very important role for solving the car engine problem. Do not use the automobile meaning for solving the car engine problem. However, without getting the real meaning of the code, it is not possible to solve the car engine problem. The engine code C1247 is the main thing to check is to prove the operation of the VCT solenoid. You are looking for a sticking or fixed VCt solenoid valve triggered by infection. Raise to vehicle precise repair manual to achieve constituent tests for the VCT unit. After solving the car engine a test drive is necessary.