TL* THE CONTACT OWNS A 2009 CHEVROLET EQUINOX. THE CONTACT STATED THAT ABNORMAL FUMES WERE ENTERING THE VEHICLE CABIN, WHICH WAS CAUSING THE DRIVER AND ANY PASSENGER TO BECOME DROWSY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC FOR INSPECTION AND REPAIR WHERE THE EGR VALVE WAS REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE ISSUE. THE APPROXIMATE FAILURE MILEAGE WAS UNKNOWN.