The engine lets us know of the car engine problem. The engine P1838 Code is found from the car engine by the test but it is not enough for solving the car engine. You need to know the cause of the problem and you should fix that problem. So, no any new problem will trigger again. The meaning of the code helps if the meaning is correct but the wrong meaning of the code makes more and more problem. That is why, you must depend on the expert automobile engineer who knows well how to fix the car engine’s problem fast.