The engine P1218 Code is found from the car engine and fix the car engine by real meaning of the code. If you do not how to solve the car engine, you allow an automobile engineer to fix the car engine. The powertrain of the car engine is faulty here and this problem is easy to fix. The valves of individual cylinder are remained closed by a pair of arms that substitute the conventional engine’s roller-type rocker arm. The engine P1218 code is one of these arms which follows the cam profile while the 2nd arm connects to the valves. During usual engine operation the 2 arms are united by a locking pin.