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

by in Santa Fe, NM on February 11, 2011
1 answer 1 comment
ANSWER by , February 11, 2011
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.
COMMENT by , April 10, 2011