Mileage when the problem started
Owner reports
Selected complaints filed with NHTSA by 2012 Hyundai Tucson owners, lightly cleaned up (personal details are redacted by NHTSA).
The contact owns a 2012 Hyundai Tucson. The contact stated while driving 75 mph, the contact heard a clicking sound coming from the engine compartment. The contact stated moments later, a loud explosion came from the rear of the vehicle. The contact saw smoke coming from the rear of the vehicle. The vehicle stalled while driving to the side of the roadway. The vehicle was towed to a local dealer where it was diagnosed with the engine needing to be replaced. The vehicle was not repaired. The contact stated that the vehicle was serviced two years prior under NHTSA campaign number: 19V063000 (Engine and engine cooling) which the contact related to the failure. The manufacturer was not informed of the failure. The failure mileage was 150,000.
I was driving down the interstate, going approximately 70mph, and my 2012 Hyundai Tucson started having difficulty maintaining speed. The engine started revving up while the car was still slowing down. Suddenly, I felt a knock and smoke started bellowing out of the engine bay. I pulled over immediately, opened the hood to inspect, and was almost burnt by the flames. There was a fire near the back of the engine block which I was able to put out with some water. I had my vehicle towed to the Hyundai of West Allis in Wisconsin. The dealership and a corporate Hyundai inspector determined that the cause of the fire was a thrown engine rod. There were no signs of issues or engine lights prior to this event. My Tucson has been at the dealership for nearly two months. …
The contact owns a 2012 Hyundai Tucson. The contact stated that while driving at an undisclosed speed, he heard a grinding sound under the hood. The contact then stated that he heard a loud clunk sound and the vehicle then swerved across the road almost causing a crash. The contact was able to regain control of the vehicle. The contact stated that the vehicle then stalled. No warning lights were illuminated. The contact was able to navigate the vehicle off the roadway. The contact then stated that he smelled an oil odor and a noticed a trail of oil on the ground and pieces of the piston rods. The vehicle was towed to the residence. The vehicle was not diagnosed or repaired. The dealer was notified of the failure and an appointment was scheduled. The vehicle was not diagnosed or repaired. …
The contact owns a 2012 Hyundai Tucson. The contact received notification of NHTSA Campaign Number: 19V063000 (Engine and Engine Cooling). The contact took the vehicle to a local dealer and had a recall remedy completed. The contact stated that three days later while driving 70 MPH and depressing the accelerator pedal, the vehicle failed to accelerate as needed. The contact stated that the low oil pressure warning light was illuminated. The contact was able to park at a nearby parking lot and checked the oil level and saw that the level was low. The contact added one-fourth of a quart of oil and restarted the vehicle but heard an abnormal noise. The vehicle was not drivable. The contact towed the vehicle to the local dealer, where it was diagnosed with needing the engine to be replaced. The vehicle was not repaired. The manufacturer had been informed of the failure. …
The contact owns a 2012 Hyundai Tucson. The contact stated that while having an oil change by an independent mechanic, the contact was informed there was a leak in the engine compartment. There were no warning lights illuminated. The contact received notification of NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The local dealer was contacted. The contact called another local dealer, Vallejo Hyundai (3266 Sonoma Blvd., Vallejo, CA 94590). The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The failure mileage was approximately 180,000. VIN tool confirms parts not available.
The contact owned a 2012 Hyundai Tucson. The contact owns a 60 MPH, the contact heard a loud pop noise and from the outside of the vehicle and the vehicle began to lose motive power and smoke coming from the front of the hood. The contact pulled the vehicle over to the side of the road and open the hood and saw fire coming from the engine. The contact back up and waited for police to come out to assist. The fire extinguished on its own. A police report was filed. The vehicle was towed to a local dealer where it was later deemed a total loss. The manufacturer was made aware of the failure. The failure mileage was unknown.
The contact owns a 2012 Hyundai Tucson. The contact stated that while driving at undisclosed speeds, there was smoke coming from the tailpipe and a gurgling sound was coming from the exhaust. Additionally, the vehicle was experiencing excessive oil consumption. The vehicle was taken to the local service center who diagnosed that the engine oil was present inside the engine cylinder and the engine needed to be replaced. The vehicle was not repaired. The local dealer and manufacturer were notified of the failure, but no assistance was offered. The failure mileage was 137,000.
The contact's daughter owns a 2012 Hyundai Tucson. The contact stated while driving approximately 68 MPH with the cruise control engaged, the vehicle lunged forward. The check engine warning light was flashing. The vehicle was towed to an independent mechanic who stated that the connecting rod and engine needed to be replaced. Additionally, cylinder #3 was blown. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 99,450.
The contact owns a 2012 Hyundai Tucson. The contact stated that while driving 60 MPH, the vehicle stalled and entered into Limp Mode without warning. Due to the failure, the vehicle was towed to a dealer where it was diagnosed with engine failure. The manufacturer was notified of the failure but offered no assistance. Upon investigation, the contact discovered NHTSA Campaign Number: 19V063000 (Engine and Engine Cooling) which she linked to the failure. The vehicle was not repaired. The failure mileage was approximately 141,000.
The contact owns a 2012 Hyundai Tucson. The contact stated that while driving at 40 - 50 mph, the vehicle lost motive power without warning. The vehicle was towed to an independent mechanic and diagnosed as engine failure. The mechanic referred the contact to tow the vehicle to another independent mechanic who specialized in engine repair. The vehicle was then towed to the second independent mechanic where the vehicle remained. The manufacturer was not made aware of the failure. The failure mileage was over 100,000.
Related recalls
Engine and engine cooling › Engine
Hyundai Motor America (Hyundai) is recalling certain 2011-2013 Tucson vehicles. The engine oil pan may leak and, if not addressed, the loss of oil may result in engine damage.
Remedy: Hyundai has notified owners, and dealers will inspect for an oil pan leak, replacing it if necessary, and install an updated oil pressure switch, free of charge. The recall began August 19, 2019.
NHTSA investigations
Engine Fires
On March 29, 2019, the Office of Defects Investigation (ODI) opened two Preliminary Evaluations (PE19-003 on Hyundai and PE19-004 on Kia) to broadly investigate incidents of non-crash fires (regardless of origin or operational status of the vehicle) on various model year Hyundai and Kia vehicles.
Loss of Motive Power
The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021.
Engine complaints in other Tucson years
Frequently asked questions
How common are engine problems on the 2012 Hyundai Tucson?
NHTSA has 168 complaints about the engine & cooling of the 2012 Hyundai Tucson, 66% of the model year's 255 complaints.
Is there a recall for 2012 Hyundai Tucson engine problems?
Yes — NHTSA recall 19V-063 (engine, Feb 5, 2019). Recall repairs are free at authorized dealers.
At what mileage do 2012 Hyundai Tucson engine problems start?
Half of the complaints with a recorded mileage happened before about 99,000 miles, and 4% before 25,000 miles.
Is it dangerous?
Owners linked 2 crashes, 13 fires and 3 injuries to engine & cooling problems on this model year. If you notice symptoms, have the car checked before driving further.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.