The malfunctioning B1566 Code is set for malfunction engine and if you want to eliminate the code, it is required to resolve the problem. You have to recognize the meaning of the code and you have to get the name of the manufacturer and model for identifying the problem along with you need to read the manual of the car. Like the all car engines, the engine system services particularly established hydraulic lifters for the B1566 code consumption and consume valves. The lifters can be misshapen by unfastening an internal locking pin. The locking pin is detached using solenoids to alter oil compression nourished into the lifter.