If I'm cruising along and step on the gas to accelerate, the car makes a strange fluttering kind of squeal/whistle from around the turbocharger area. If I step on the gas hard enough to kick the tranny down and get RPM's up, it won't do it it just takes off like a bat out of hell. Any ideas? Could the bypass/BOV or whatever it's called be leaking or not able to hold the extra boost pressure. The car only has 12,000 miles on it, so engine and related components are fairly new. Any input would be appreciated. Thanks.
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