It is important to know the actual meaning and reason of the car engine P2087 Code. If you want to know and learn more information of the car engine, you can use automobile dictionary meaning of the code. Deactivation of cylinders is accomplished by releasing a synchronizer pin what is normally interlocks the cam follower and rocker arms of the car engine. The car engine P2087 code resolves the synchronizer pin that is released by using hydraulic pressure which is measured by a devoted solenoid. Do not try to solve the car engine problem in wrong way what may make new problems in the car engine.