Engine Exhaust System Problems of Hyundai Veloster

Vehicle stopped driving under its own power after driving for several miles on a couple occasions. Usually after driving at about 60mph for 30 miles or more. It either bogs down giving time to pull of the road or stops completely after trying to accelerate after a complete stop. Vehicle is giving a p420 error code but exhaust technicians say it is not the catalytic converter. Vehicle will drive after exhaust system has been given time to cool. Compression is bein lost in one cylinder as determined by Hyundai dealership. Dealership claims a new engine and converter is required. Results appear to be the same conditions as listed in sc176 for the kia soul 1. 6l gdi engine. High exhaust gas temperatures may damage the catalytic converter, possibly resulting in abnormal engine combustion and damage to one or more of the engine's pistons and possible piston connecting rod failure.

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4 can shafts exploded and the oil was blowing out of the exhaust. Causing the catalytic converter to fail early as well.

During a normal drive from work, the car hesitated to accelerate from sitting at the red street light and white smoke began to come out of the exhaust pipe. There was no sign of car trouble,no engine light indicator nor any kind of acknowledgment that there was a problem with the car. I immediately coast to the nearest parking lot which was a holiday express hotel. I then called usaa and requested tow service to have towed to south towne Hyundai of riverdale, GA. On Monday August 12, 2019. I explained to the service representative of my issue. He called Tuesday morning and asked again what exactly was the issue in which I explained again. He never heard from the service representative again. I called Tuesday later that evening, left a message and no call back. On Wednesday, I called left a message with the service manager to give me a call and no one called. I went up to south towne dealership in which I waited and until I asked a lady who sat in an office next to the parts department for help. She went to the automotive garage came back and said they took the oil pan off saw shavings and noted it was a bad engine and the cost was $2500. 00 for the engine plus labor which would be around $5000 to $6000 dollars. I was shocked because I just purchased the vehicle less than a month ago and had not driving the car 1000 miles. I ask if additional test were performed she said no because the took the oil pan off first. There were no diagnostic reading, no oil check, no throttle cable check performed. I am lost because numerous cars are having the same engine issue and there was a recall for 2013 Hyundai Veloster turbo engine early this year however not for the non-turbo which is extremely unfair because of the shavings from the pistons which is not an oil change issue nor is it an owner maintenance issue and there were no warnings or sign of trouble.

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Lag upon acceleration. Multiple cylinder misfires. All replaced and continue to misfire. To much oil being expelled through exhaust, regular oil change records and drive efficiency. Potentially ruining turbo as well as motor. Depleting mpg.