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    BLB 2.0, boost pressure regulation limit exceeded. trying to clean turbo advice.

    Bought a 05 A4 a few weeks ago, kinda annoyed i didn't do any research on the BLB engine before buying but alas this is where im at. It was perfect the first two weeks, then every now and again it would go into limp mode... no big deal turn off and on the ignition and go again. then last week...