why is the engine making a whistle noise when i step on the gas peddle on 2007 Pontiac Grand Prix

Whne i step on the gas peddle th eengine makes a whistle noise

Asked by for the 2007 Pontiac Grand Prix
You have an air leak somewhere- and there are many places to look for this leak. The air cleaner box, the air intake tube, the throttle body, and even the intake manifold itself. The leak make take some time to find.