One problem related to engine funny noise has been reported for the 2009 Toyota Corolla. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Toyota Corolla based on all problems reported for the 2009 Corolla.
2009 Toyota Corolla 4 cylinder engine automatic transmission. When you press the accelerator pedal in the 2,000 rpm range there is an audible whistle coming from the engine. In the lower rpms there is no unusual sound and that same goes for the higher rpms, but every time the rpm needle goes through the 2,000 rpm it whistles.