This engine U1137 Code is very supporting thing for solving the car engine problem and if the right meaning of the code is found, then the car engineer can start for solving the car engine problem. The right meaning of the code is found in the engine manual and the meaning of the code will be related with the brand name. According to the brand name of the car, the engineer must find the real meaning of the code. Do not drive the car with the car engine problem. However, once the engine is fixed, then you should take the car for a test drive.