More commonly, electronic actuators are utilized to manipulate engine oil pressure which is used to advance and retard valve timing (individually or in groups) as engine RPM and engine load change. In this advanced type of system, conventional camshafts are unnecessary because the PCM controls electronic solenoids (referred to here as actuators) which open and close intake and exhaust valves at the appropriate time. This includes vehicles which electronically manipulate engine oil pressure to assist in valve timing variation.Ī select number (very rare) of vehicle applications employ an electronic system of opening and closing intake and exhaust valves. This code is applicable to vehicles with electronically assisted valve train systems, only. The designation (A) may apply to an individual cylinder intake valve rocker or to all of the intake valve rockers for engine bank one. Bank 1 denotes that the problem has occurred in the bank of the engine which contains the number one cylinder. When an OBD-II equipped vehicle has stored a code P02647, it means that the powertrain control module (PCM) has detected a valve train (rocker arm) malfunction for engine bank one. What are the common causes of code P2647?.We recommend Torque Pro Table of Contents Rocker arm actuator A, bank 1 - actuator stuck on (Buy Part On Amazon) By Stephen Darby ( Contact Me) Last Updated ASE Master Tech Code
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