High-pitched noise after Cobb stage 1

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High-pitched noise after Cobb stage 1

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10-30-2003, 10:09 AM	#1
jvic Scooby Newbie Member#: 34953 Join Date: Apr 2003 Chapter/Region: NESIC Location: Bennington, VT Vehicle: 2011 Legacy	High-pitched noise after Cobb stage 1 I just had a reflash of my ECU to a Cobb Stage 1 and now I have a high-pitched squeal or whining near redline. It is not consistent. I called them and they mentioned something about maybe the wastegate being open and that being the source, but they weren't sure. Anyone ever ahve anything like this or have any ideas what it might be? I am thinking it is something turbo related, but I don't know. Thanks for any ideas you might have!

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