NHTSA Complaint #11531908 — 2017 HYUNDAI TUCSON

The check engine light started flashing and the vehicle would not go over 25 miles per hour. Thankfully I was pulling into a parking lot when the reduction in speed occurred. If this had happened on the interstate (which I commute on regularly) it could have been extremely dangerous. Hyundai dealership never returned my calls about service, I had the vehicle towed to another service provider (Jensen Tire & Auto) who performed a diagnostic which showed codes P0300/0302/1326/0011. They also said the engine was 2 quarts low on oil and there was no sign of an oil leak. The vehicle mileage was at 74344. I had oil changed at 71579 miles with full synthetic, and at 66230 miles prior to that. There is no sign of oil leak where I park the car. I regularly change my oil and service my car according to the manufacturer recommendation (just not at the dealership). This problem is not on the recall list for this vehicle, yet there are several instances of this posted in online forums. (https://www.carproblemzoo.com/hyundai/tucson/engine-burning-oil-problems.php). This problem is not due to lack of proper care, but to a dangerous defect in the Tuscon 2017 engine that misuses oil and causes a sudden an unexpected decrease in acceleration.