So swapped intercooler for larger do88.se one last week, drove 60 miles to work all was fine, drove home(car doesn't move for 4 days) and an annoying whine from the turbo while it's on boost developed??? Checked everything came up with nothing. Put old I/C back on today(to rule out the I/c), whine still there!?!?!?! Seems to be holding boost(according to boost guage) no lambda light! Turbo was rebuilt and balanced 4 months ago, I'm scratching my head here people, anyone had this before? Gonna strip intake down tonight but need the car for work at 4am tomorrow so can't do too much, any advice how I narrow down what this whine is??? Thanks.
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