The engine C1830 Code seems a kind of chassis problem and it is not difficult to solve the car engine problem if the automobile engineer follows right meaning of the code. The valves of each cylinder are kept shut using a pair of arms that substitute the conservative engine’s roller-type rocker arm. The engine C1830 code is one of these arms follows the cam profile while the 2nd arm attaches to the valves. During standard engine operation the 2 arms are combined by a locking pin. Do not drive the car with any problem. The chassis problem of the car engine is easy to fix.