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Genesis G80 Engine Problems

41 owner complaints filed with NHTSA across 6 model years.

Complaints by Year

Worst year: 2017. Best year: 2022.

Owner Reports

A representative sample of complaints filed with NHTSA.

Engine · 2017 2

WHEN YOU PRESS ON THE GAS ACCELERATOR- THE CAR ONLY MOVES AT A FEW MILES PER HOUR. THIS IS INTERMITTENT BUT MAKES THE CAR UNDRIVEABLE AND VERY DANGEROUS TO DRIVE IN TRAFFIC. THE THROTTLE BODY WAS REPLACED BUT NOW GENEIS SAYS IT IS ANOTH...

Engine · 2023 2

The contact owns a 2023 Genesis G80. The contact stated that after fueling the vehicle with gasoline, there was a strong fuel odor inside the vehicle. The failure persisted, and the contact stated that the check engine warning light beca...

Engine · 2017 2

While driving the engine simply stops and won't restart. When this happens, the key fob won't lock the car or unlock the trunk. The trunk opening button won't open the trunk. It just flashes the parking light and gives a sound.

Engine · 2019 2

Engine engine undercover is not on the vehicle

Engine · 2018 2

Engine while driving inadvertently stalls and vehicle shuts off. Does not matter what the conditions are. Have to place vehicle back in park and completely shut down vehicle to restart. It first starts by engine slowing down and then eng...

Engine · 2019 2

I took my car in to have a recall repair completed. A relay kit was added to the engine compartment and my car has not operated the same since. When I start my car now it idles rough and is making noises that it wasn’t making before. W...

Engine · 2019 2

At just 41,000 miles, the oil pressure sensor has failed. There are many on-line reports of this issue going back several years for the Genesis G80 sedan. It appears this is NOT covered under the 10 yr/100,000 mile warranty and is only...

Engine · 2017 2

The hyundai genesis and the genesis G80 have an oil pressure sensor defect. Practically, everyone i know with a genesis, in particular the 3.8 L engine, has this issue. The oil pressure sensor illuminates even though the engine oil level...

Engine · 2019 2

Oil pressured sensor went bad $2500 fix from dealer. In Korea this is a recall. The Genesis forums are full of complaints regarding same issue. The factory should cover this but the 10 year 100000 mile warranty does not cover it since it...

Engine · 2018 2

The contact owns a 2018 Genesis G80. The contact received notifications of NHTSA Campaign Numbers: 24V107000 (Electrical System) and 24V191000 (Engine and Engine Cooling) however, the parts to do the recall repairs were not yet available...

Engine · 2017 2

The contact owns a 2017 Genesis G80. The contact stated that the vehicle shutoff while driving in the rain. There was an unknown warning light illuminated. The contact called the local dealer, but the vehicle was not diagnosed or repaire...

Engine · 2017 2

Oil light comes on intermittently due to faulty sensor. Apparently this is a recurring issue for this model.

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