There are some possible causes of the engine P267B Code and those are Low or overfilled engine oil, Incorrect engine oil type, Faulty ‘B’ Rocker Arm Actuator Sensor, ‘B’ Rocker Arm Actuator Sensor harness is open or shorted and ‘B’ Rocker Arm Actuator Sensor circuit poor electrical connection. Engine Light ON is a symptom what is necessary confirm. The Engine Control Module commands the Rocker Arm Actuator to switch the oil hydraulic circuit. Oil flows through the Rocker Arm Actuator to the adjustable valve timing system to alter the engine’s valve timing. Do not fix the car engine by yourself if you do not know the problem.