Need information on test results of electric cam adjusters and more about cam adjustr

[Green12valve]

Need information on test results of electric cam adjusters
i tested both of a set on a car im working on and on neither does the piston actually move? it just like vibrates? one is alot weaker than the other and the strong one was on the side with misfires...... what does a test of one show? other than the hum and vibrate....... dont wanna spend an extra 1400 if i dont have too
and also today [IMG][/IMG]
[IMG][/IMG]

[Green12valve]

the top image where the cam adjuster goes one side spins freely and one side will barely move..... is it suppose to move freely or not? the side with the misfires was the side that spins freely