2016 Hyundai Santa Fe Sport

As we were driving down the interstate we began to see smoke coming out our vents and after a few seconds saw flames coming from the passenger side of car. We quickly tried to pull over but brakes weren’t working. Safely pulled into grass median. Luckily we were able to quickly exit through the driver door. After about 30 seconds the car was engulfed in flames.

The vehicle lost power, and the engine started to make a knocking noise, and the check engine light came on. I plugged in the obd2 scanner and the p1326 code came out. It was a knock sensor that needed to be replaced. I replaced the sensor that the issue got worse. I looked up online about this issue and then I found a video of that explained the incident. The manufacture of the crank at the factory did not properly clean the holes of the oil passages. When they machined it, all the files they don't clean them good enough, so they go to one side and plug up the oil passages and it doesn't get oil. we were on the highway when this issue started and it lost power. The problem has not been solved because the Hyundai dealer and the corporate office did not want to help me with this issue. They claim that my title is salvaged but I contacted the DMV, and they confirmed that my title is clean and there is no issue. The second time they said the vehicle was used as a rental and that automatically disqualifies the vehicle's warranty. The vehicle has not been inspected. No warning at all until the day it happened. I just purchased this vehicle seven months ago for seven thousand dollars and this happened.

The contact owns a 2016 Hyundai Santa Fe Sport. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The dealer was contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the dealer for assistance. The approximate failure mileage was 63,000.

The contact owns a 2016 Hyundai Santa Fe Sport. The contact stated that the engine and oil lights illuminated whenever the brake pedal was depressed. The vehicle was taken to the local dealer where it was diagnosed and determined that the cause of the failure was due to the engine. The dealer informed the contact that the pistons were not covered, and the engine was consuming an excessive amount of oil. The dealer instructed the contact to continue to drive for 1,000 miles and come back to the dealer for an evaluation. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 77,000.

Dear NHTSA, My 2016 Hyundai Santa Fe Sport (VIN: [XXX] , 2.0L Theta II, 64,000 miles) suffered engine failure with knocking and power loss, matching NHTSA Recall #20V-746 (Hyundai #198). This defect risks stalling or fire, threatening my safety and others’. Hyundai Motor America and Hyundai of Tacoma (Tacoma, WA) refused repair, citing the rebuilt title, despite the factory defect. Recall #20V-746 addresses Theta II bearing wear. My vehicle’s symptoms align, yet the dealer denied service, claiming the title voids eligibility. Hyundai’s April 2025 email noted three unrelated recalls (turbo oil pipe, ECM update, hood latch) were completed but ignored #20V-746, redirecting me to the dealer without addressing the engine or title issue. I’ve called Hyundai (1-800-633-5151) and emailed multiple times since March 2025, receiving only generic responses. The dealer’s refusal and Hyundai’s inaction leave the vehicle inoperable, posing a ongoing safety hazard on the road. The rebuilt title should not exempt a factory defect tied to a safety recall. The low mileage (64,000) supports my claim. I haven’t obtained a diagnostic report but am willing to pay for one (~$100–$200) if required. Hyundai’s refusal to honor #20V-746 violates safety obligations. Please investigate Hyundai’s denial, confirm if the Knock Sensor Detection System was installed, and clarify if a rebuilt title excludes eligibility. I seek engine replacement per the recall or a clear explanation. This issue has caused significant financial and safety concerns, and I urge swift action. Contact me at [XXX]or [XXX] Sincerely, [XXX] [XXX] . INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

The contact owns a 2016 Hyundai Santa Fe Sport. The contact stated that while attempting to make a left turn after the vehicle was idling, the vehicle suddenly lost motive power and became inoperable. There were no warning lights illuminated. The vehicle was towed to the dealer, who determined that the engine had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure and opened a case. The manufacturer decided not to deny the claim for assistance with the engine replacement. The failure mileage was approximately 80,000.

The contact owns a 2016 Hyundai Santa Fe Sport. The contact stated that while her husband driving at an undisclosed speed, the vehicle inadvertently lost motive power. The driver was unable to pull over to the shoulder of the roadway. The vehicle failed to restart. There was no warning light illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the engine. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was unknown.

The contact owns a 2016 Hyundai Santa Fe Sport. The contact stated while driving, the vehicle failed to exceed 60 MPH. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that the knock sensor was defective. The vehicle was then towed to the dealer, where the engine was replaced; however, the failure recurred, and the vehicle failed to exceed 50 MPH. The vehicle was towed to the dealer, where the knock sensor was replaced; however, the failure recurred while driving. The contact stated that while driving at various speeds and depressing the accelerator pedal, the vehicle hesitated to respond and was sluggish. The vehicle was towed to the dealer, where the knock sensor was replaced; however, the failure persisted, and the vehicle remained at the dealer for 3 months. The contact followed up with the dealer, and the dealer informed the contact that additional diagnostic tests was needed to determine the cause of the failure. The vehicle was not repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 110,000.