You need to fix the car engine properly and if you do not how to solve the car engine, you should take helps from an automobile engineer. The engine P1217 Code has found from your car engine. The engine code indicates the problem of the car engine. Like the car engines, this car engine process works especially developed hydraulic lifters what is known as switching roller followers for the engine P1217 code intake and exhaust valves. The lifters can be distorted by disengaging an inner locking pin. The locking pin is disengaged using solenoids to modify oil compression fed into the lifter.