ive been reading the forum off and on for awhile now at the various actuator posts. so back in 2020 i took my 09 prius to Toyota to replace the actuator.....3000$ 155K previous to that the actuator was running 5-10 seconds every 5 seconds. maybe 6 months ago it got on my minds radar that im hearing cycling again, but its possible its always been there. so i installed a counter and hour meter back in late 2024. today im at 274K im averaging about 415 cycles per hour, 7500 cycles per tank of fuel and the actuator runs between 2-2.5 hours per tank of fuel. since January 1, the actuator has run about 13 hours total. it sounds like its coming on for 2-3 seconds, off for 6 seconds. what cycle counts have you noticed on yours? does yours cycle? and when the actuator is working properly, is there any routine cycling at all? when yours failed, what kind of cycles did you observe before the failure?
I believe that no one pays attention to the cyclical operation of various systems until these systems light up the failure lamps on the dashboard or stop working. But if you have such an opportunity, then inform us about changes in operation with increasing mileage of the car.
