You need to know the meaning of the engine P0046 Code and the meaning of the code is available two different meanings. The automobile meaning of the code is not helpful and it is found online. Do not use the automobile for solving the car engine problem. The deactivation method of cylinders is realized by discharging a synchronizer pin that normally interlocks the cam follower and the rocker arms. P0046 code resolutions the synchronizer pin is unconfined using hydraulic compression which is measured by a dedicated solenoid. The P0046 engine code like a kind of powertrain problem and it is easy to solve.