The B1913 Code is related with the car engine and this comes for the fault of the engine. If the problem of the code is not solved properly, the user of the car may face serious trouble. Do not try to solve the problem in your place if you do not have experience or machines. By the experts, you should fix the problem from the car. You may know the basic meaning of the code but it is not sufficient to know about the problem. You should read the manual of the car engine and need to know the manufacturer name and model number to solve the problem of the code.