One problem related to gas recirculation valve (egr valve) has been reported for the 2012 Hyundai Accent. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Hyundai Accent based on all problems reported for the 2012 Accent.
The contact owns a 2012 Hyundai Accent. The contact stated that after receiving an oil change on the vehicle and driving approximately 20 mph, there was a knocking sound coming from the vehicle. The contact stated that there was a metal-on-metal sound. There was an air temperature sensor warning light illuminated. The vehicle was diagnosed by an independent mechanic with an oil control valve failure. The oil control valve was replaced; however, the failure recurred. The manufacturer was not notified of the failure. The approximate failure mileage was 116,000.