2021 Kia K5: wrong fuel gauge reading

Filed Jul 23, 2026 · Engine, Fuel system · 119,185 miles · MD

The contact owns a 2021 Kia K5. The contact stated that while driving approximately 55 MPH, the fuel gauge suddenly went from one-half tank to empty. The fuel level displayed 120 miles to empty. The contact attempted to refuel the vehicle but was unable to add fuel to the tank. The contact also stated that the oil warning light and the TPMS warning light was illuminated. The contact associated the failure with the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline). The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 119,185.

Filed Jul 22, 2026 · Engine, Fuel system · 120,000 miles · FL

The contact owns a 2021 Kia K5. The contact stated that there were failures with the spark plugs. While driving at an undisclosed speed, the vehicle shuddered, and the engine sputtered. The contact stated that fuel spewed out of the filler neck while refueling the vehicle, and the fuel gauge incorrectly indicated that the fuel tank was empty after refueling. Additionally, there was an abnormal egg and sulfur odor coming from the vehicle with the check engine warning light intermittently illuminated. The contact stated that the vehicle was taken to a local dealer and inspected under the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline). During the inspection, the seats were damaged. The vehicle was not repaired. The manufacturer was notified of the failure and was negotiating a buyback. The failure mileage was approximately 120,000.

Filed Jul 20, 2026 · Fuel system · 90,000 miles · IN

The contact owns a 2021 Kia K5. The contact received notification of the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The contact stated that while driving approximately 70 MPH, upon further inspection the fuel level was lowering unexpectedly. The check engine warning light was illuminated. The vehicle was taken to a local Auto Zone and was scanned with an OBD2 scanner and diagnosed with a recall-related failure. The vehicle was taken to a local dealer, where it was diagnosed with an expanded fuel tank; however, the vehicle was not repaired because the dealer was short-staffed. The dealer associated the failure with the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline). The manufacturer was made aware of the failure; a case was filed; however, no assistance was provided. The failure mileage was approximately 90,000.

Filed Feb 27, 2026 · Fuel system · 145,000 miles · FL

The contact owns a 2021 Kia K5. The contact stated that while driving 65-70 MPH, the fuel gauge displayed zero miles to empty. The contact pulled into the nearest gas station, and while attempting to add fuel to the vehicle, the contact became aware that there was fuel leaking out of the fuel tank outlet, and the gas pump nozzle was stopped. The contact was unable to refuel the vehicle. The contact stated that after returning to drive, the fuel gauge indicated 100 miles to empty. The vehicle was taken to the dealer for the recall repair under the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline), and the dealer advised the contact that the manufacturer had instructed the contact not release the vehicle to the owner due to the recall. While diagnosing the vehicle, a technician at the dealer sent a photo displaying that the rear driver's side seat had melted internally due to the fuel tank overheating. Additionally, the dealer informed the contact that the SC288 Alpha Campaign had failed. The vehicle remained at the dealer for four months; however, the manufacturer later sent a letter advising the contact that the vehicle could not be repaired, and a buyback was suggested. The manufacturer offered to reimburse the down payment for the vehicle. The contact stated that the buy-back offer was unsatisfactory. The contact declined the offer, and the manufacturer then threatened to tow the unrepaired vehicle back to the residence. The contact stated that the manufacturer had failed to honor the recall repair. The vehicle was not repaired. The failure mileage was approximately 145,000.

Filed Nov 5, 2025 · Fuel system · WI

The contact owns a 2021 Kia K5. The contact stated that fuel odor was entering the cabin of the vehicle. The contact stated that the rear passenger’s seat seemed to be inflated. While driving approximately 70 MPH, the contact became aware of fuel squirting out of the fuel filler neck. The fuel gauge fluctuated from full tank to half tank or empty. There was no warning light illuminated. The fuel odor became stronger, and the contact pulled over to the side of the road at a rest stop. A mobile service tech arrived to inspect the vehicle but found no failures. The contact continued driving to the residence. The vehicle was taken to the dealer, who found that the fuel tank and fuel line had failed and needed to be replaced. The dealer sent a photo to the manufacturer to confirm the necessary repair. The vehicle was not repaired. The manufacturer was informed of the failure and determined that the fuel tank and PCV valve were swollen and needed to be replaced. The manufacturer offered a buy-back for the vehicle and opened a case. The failure mileage was unknown.

Filed Aug 1, 2025 · Fuel system · 93,000 miles · GA

The contact's daughter owns a 2021 Kia K5. The contact stated that while the contact’s son-in-law was driving, the fuel level indicator failed to function as intended. The contact’s son-in-law noticed that the miles available indicator stated that there were 430 miles until empty. The contact’s son-in-law stated that after driving for approximately 20 minutes, the miles available indicator indicated that the miles had decreased by 50 miles. The contact’s son-in-law drove the vehicle to a nearby gas station, and inspected the fuel tank cap, and confirmed that that fuel cap was sufficiently tightened. The contact's son-in-law proceeded to drive for another hour and the miles available indicator decreased by 200 miles. The contact stated that there were three occupants, including an infant, seated in the rear seat of the vehicle. The contact’s daughter, who was seated in the rear seat, noticed heat on the back of her legs. In addition, the contact’s daughter noticed an abnormal ticking sound and the rear seat independently raised up. The contact’s daughter stated that the failure was persistent. The vehicle was driven to the shoulder of the road. The contact’s son-in-law inspected the vehicle. The contact’s son-in-law and daughter switched seats. The contact stated that the daughter had driven a short distance, and the miles available dropped from 200 to 50 miles. The contact instructed the daughter to stop and exit the vehicle. The contact stated that the fuel tank level indicated the fuel was empty and the check engine warning light illuminated. The contact’s son-in-law was instructed to turn the vehicle off and how to inspect the vehicle. Upon inspecting the vehicle, the contact’s son-in-law was instructed to remove the rear seat. The contact’s son-in-law noticed that the fuel tank was swollen. The contact’s son-in-law was instructed to remove the fuel cap to release the pressure. The vehicle was towed to the dealer; however, the vehicle was not inspected. The contact was informed of an unknown recall; however,