The B1907 Code is important thing for solving the engine problem and you will get the code when you take the car to test and identify the real problem of the engine. The real meaning of the code is important thing and many people do not know how to fix the problem. However, you have to get the real meaning of the code for solving the problem from the engine. The deactivation of cylinders is achieved by discharging a synchronizer pin that normally interlocks the cam follower and rocker arms. B1907 code tenacities the synchronizer pin is free using hydraulic compression which is measured by a enthusiastic solenoid.