![]() If the switch fails, it will give the same error as a failed component. The onboard computer (ECM) receives information from the oil pressure switch if the system is working correctly. Ī common cause of an intermittent failure in the oil pressure switch. Low-cost cheap oil filters have also been known to cause issues with some engines.Ĭheck the oil and be sure it is not low and is not old and dirty. If the oil is old and dirty, it can cause a P2646 error. There are several fixes, but anything that prevents oil pressure to the rocker arms will cause the system to fail and give a P2646 error code. Some OBDII scan tools will also give a “VTEC Oil Pressure Switch Circuit Low Voltage.” or Stuck off.” or “ A Rocker Arm Actuator System Performance or Stuck Off Bank 1.” If you have a Honda Element with a P2646 OBDII error code, the ECM does not see the rocker arm oil switch working when the rocker arm oil control solenoid is switched on.Īn OBDII error code will be given “ P2646: Rocker arm actuator A- Bank 1 Perf.
0 Comments
Leave a Reply. |