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      05-21-2013, 08:57 PM   #109
Majin Buu
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Drives: M3
Join Date: Apr 2013
Location: Canada

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*****MAJOR UPDATE******

So I received the new actuator in the mail today and proceeded to change it. I removed the plenum, but decided to test the old actuator first to see what is the actual problem. Just like last time, I had a helper turn on the ignition without starting the engine while I looked at the throttle bodies. When the car tried to test the actuators, the working driver's side began moving a couple of centimeters or so before closing again. The malfunctioning passenger side did not move at all in that period of time. That makes me think the car abandoned the testing procedure when it detected no movement in the passenger side bank. I would conclude from this that my actuator failed due to faulty electronics and not the wear on the mechanical gears. Of course the wear on the gears could be what caused the electronics to fail. I don't know. But it's something to think about before people start buying metal gears and swapping them out to fix their actuators.
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