The contact owns a 2016 Hyundai Tucson. The contact stated that after coming to a complete stop, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The vehicle went into LIMP Mode. In addition, the vehicle failed to accelerate above 30 MPH. No warning light was illuminated. The vehicle was taken to several dealers. The contact was informed that the unknown hoses and the dipstick melted inside due to the engine overheating. The contact stated that the catalytic converter was replaced; however, the failure persisted. The contact stated that the catalytic converter had been replaced three times since the first failure. The contact stated that on a separate occasion, the engine was consuming an excessive amount of engine oil. The contact was adding engine oil every two weeks. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The failure was a recurring failure, and the contact drove the vehicle intermittently due to the safety concerns. The manufacturer was not made aware of the failure. The failure mileage was approximately 90,000.

- Alameda, CA, USA

The contact owns a 2016 Hyundai Tucson. The contact stated that while driving at various speeds, the vehicle would stall upon depression of the accelerator pedal without warning. The contact initially took the vehicle to an independent mechanic where the catalytic converter, spark plugs, and coil packs were replaced. Eight months later, the failure returned and the same mechanic informed her that the evaporated oil had melted the catalytic converter and referred her to the dealer for assistance. The vehicle was then taken to the dealer on three separate occasions and each time the catalytic converter was replaced; however, despite the numerous replacements, the failure persisted. The manufacturer was notified of the failure but offered no assistance. The vehicle was not repaired. The failure mileage was 140,963.

- Baton Rouge, LA, USA

The contact owns a 2016 Hyundai Tucson. The contact stated that the vehicle failed to accelerate over 20 MPH while driving. There were no warning lights illuminated. The vehicle was taken to the local dealer and was diagnosed with a dirty catalytic converter. The vehicle was not repaired. The vehicle was taken to an independent mechanic and the contact was informed that the transmission needed to be replaced. The manufacturer was not contacted. The failure mileage was approximately 94,000.

- Altamonte Springs, FL, USA

The contact owns a 2016 Hyundai Tucson. The contact stated that while driving, the vehicle experienced slow acceleration. There were no warning lights illuminated. The vehicle was taken to the local dealer to be diagnosed. The contact was informed that the catalytic converter, sparks plugs, and ignition coils needed to be replaced. The vehicle was repaired however, the failure recurred. The local dealer requested additionally testing on the engine. The manufacturer was notified of the failure however, no further assistance was provided. The failure mileage was approximately 70,000.

- Sherwood, AR, USA