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527 Posts
well i have been having this problem off on lately and im stumped to what it could be. i started the car today and it ideled sooo rough and there was a weird humin noise coming from the intake on the turbo side, i reved it up and it shaked still and as soon as it hit 0 vacum and make a lil bit of boost it would just hit like a cut off and it almost sounds like a 2 step but its not. ive reset the ecu and it still does it from time to time but lately its doing it all the time.