Good morning Scotty I have a 1993 C4 Corvette with 145,000 miles. When I start it up cold it has a high whistling sound and after the engine warms the sound goes away. Any ideas? Love your show and thanks for keeping it real.

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Harley4
Harley4

Thanks!

ScottyKilmer
ScottyKilmer

Editor

vacuum leaks, check for intake manifold vacuum leaks under the hood first.

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