The engine P1293 Code is found when the car engine is tested and you need to know the real cause of the car engine problem. The main problem is powertrain problem here and this problem can be fixed at least price. There are presently 2 main types of cylinder diffusion used today, dependent on the type of engine. The engine P1293 code for the pushrod style which uses solenoids to modify the oil compression transported to the lifters. In their misshapen state, the lifters are powerless to lift their companion pushrods below the valve rocker arms, subsequent in valves that cannot be activated and remain locked.