The car engine P2274 Code is found from the car engine after it is tested. A failing oil pump can be a cause what is generally called oil starvation what is nearly continuously lethal to any engine. Above cam engines are particularly at risk, since the valve and cam train are farther from the pump than they are in pushrod car engines. Oil should be of a proper viscidness, which is it needs to be light enough to move quickly. The general meaning of the code is found online and it is important for solving the car engine but you must try to use the real meaning of the code.