One problem related to loud engine noise has been reported for the 2010 Hyundai Sonata. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2010 Hyundai Sonata based on all problems reported for the 2010 Sonata.
Tl-the contact owns a 2010 Hyundai Sonata. The contact stated that while traveling at 75 mph an abnormal noise could be heard from the front of the vehicle. The vehicle was taken to a independent mechanic where it was diagnosed that there was engine failure and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 74,000. Ec.