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what i don t understand is, why so many rebuilt engine show this
For what I know, as you said the ecu zeroes the exhaust to then have a reference, then when you stop the engine, the cam will quickly park to a set position
but why all those differences also in initial values between our cars? do you think it s possible that when the cams and cam gears get re installed, they can end to a slighty different position than the original one from Subaru (talking of very small difference)? and then the ecu moves it into right position?
a Problem that my car shows after the rebuild is, sometimes vvt is quick to activate after a reflash (but i still have to do my procedure I wrote earlier) sometimes it takes ages
and when it takes a lot, one phaser (intake #1) will start to swing, very regular forming a sine wave but very wildly.. like from -20 (that would even be forbidden by ecu limit) to +20
car is jerky and after some kms it reduce the amplitude of the swing untill cam intake #1 is identical to #2
I'm in peace because i learnt how to deal in each situation but it s driving me crazy
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