The car engine P2210 Code is a supporting content and it is meaningful for solving the car engine. The valves of individual cylinder are remained closed by using a pair of arms that auxiliary the conventional engine’s roller-type rocker arm. The car engine P2210 code is one of these arms follows the cam profile while the 2nd arm joins to the valves. During the normal engine operation the 2 arms are combined by a locking pin. If you do not understand all of these things, you should not think to check or solve the car engine, take the car to an automobile repairing center and solve the car engine properly.