The engine should not be fixed by untrusted meaning of the code. The engine P1297 Code is important and it gives solution for solving the car engine. The main problem of the car engine is powertrain problem what can be fixed easily. The valves of individual cylinder are remained closed by a pair of arms that change the conventional engine’s roller-type rocker arm. The engine P1297 code is one of these arms what follows the cam profile while the 2nd arm connects to the valves. During normal engine process the 2 arms are joined by a locking pin. A test drive is recommended when the car engine is ok.