The Engine Intake Valve Actuation System Oil Pressure did not change when the Engine Intake Valve Actuation System Oil Pressure solenoid is toggled.Įngine Intake Valve Actuation System Oil Pressure : Low – moderate severity (2) The adjustment of an actuator is incorrect.Įngine Intake Valve Actuation System Oil Pressure : Not Responding Properly This can be caused by the following conditions: The intake valve actuator is not responding correctly to the commands from the ECM. The following conditions can cause this code:Ī control valve that contains debris or a control valve that is not operating correctlyĭamaged O-ring seal or missing O-ring seal. This code indicates that the difference in rail pressure is incorrect while the control valve is opened and closed. This code can only occur soon after the engine has started. Intake Valve Actuation Oil Pressure not responding (4) Actuators Table 1 Diagnostic Codes for Mechanical Problems or Electrical Problems with the Intake Valve Actuation System The following diagnostic codes indicate that there is a mechanical problem or an electrical problem with the system: Use this procedure to diagnose mechanical problems or electrical problems with the intake valve actuation system.
