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P2646 Diagnostic Trouble Code Discussion for March 2017

VTEC Oil Pressure Switch Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P2646
Help Request Posted
2005 Honda Element EX 2.4L Loss of power VIN: 5J6YH28665
P2646: VTEC Oil Pressure Switch Circuit Low Voltage. ... Runs poor cold and loss of power intermittently. We have seen the loss of power with code P2646 before. Valve adjustment solved the cold running problem. We changed the oil and filter (5W20). Inspected both screens and they were clean. Replaced the solenoi...
March 10, 2017