Engine Exhaust System Problems of Hyundai Genesis

The contact owns a 2012 Hyundai Genesis. The contact stated upon starting the vehicle, an abnormal fuel odor was coming from the vehicle with heavy smoke coming from the exhaust pipe. The contact stated that the tire pressure and brake warning lights were illuminated. The vehicle was not serviced or diagnosed. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 170,000.

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First, the car began running rough soon after purchased in December 2013 with 13,000 miles. Taken to dealership twice . Had misfire codes. Was told not to use gas from kroger. Even using shell mid grade gas car runs rough and pronounced stumbling upon highway acceleration. Second, exhaust is sooty and staining rear bumper and corroding the exhaust tips. Dealer said the engine (6 cylinder) is high performance and all high performance engines soot. He would not write that response on repair ticket. As a lay person, car appears to be running rich which is causing the soot and rough engine problems.

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The contact owns a 2013 Hyundai Genesis. The contact stated that while driving 72 mph, black exhaust fumes emerged from the exhaust pipe. The vehicle was taken to the dealer for diagnosis but they were unable to duplicate the problem. The vehicle was not repaired and the manufacturer was notified. The approximate failure mileage was 50. Updated 07/11/lj.