The engine P0170 Code tells about the car engine problem and by the meaning of the code, it is possible to identify the problem. You need to verify the engine and find the reason of the car engine problem. You will get various symptoms of the car engine problem and according to the meanings in the car engine code, you can solve the car engine problem. There are 2 key sorts of cylinder diffusion process used, contingent on the kind of engine. The engine P0170 code for the pushrod design which uses solenoids to change the oil compression brought to the lifters. The lifters are powerless to elevate their companion pushrods under the valve rocker arms, subsequent in valves that cannot be activated and remain closed.