From the meaning of the engine P2085 Code, you can learn about the engine problem. You should take step for solving the car engine problem. There are presently 2 major sorts of cylinder deactivation method used current for checking and solving the car engine what depending on the kind of engine. The engine P2085 code is for the pushrod design what uses solenoids to modify the oil compression delivered to the lifters. In their collapsed state, the lifters are powerless to raise their buddy pushrods under the valve rocker arms, subsequent in valves that cannot be activated and remain locked.