Kia K5 stalling problems

Filed Oct 27, 2026 · Fuel system · 102,000 miles · TX

The contact owns a 2023 Kia K5. The contact received notification of the federal safety agency Campaign Number: 25V794000 (Fuel System, Gasoline). While driving approximately 45 - 50 MPH, the vehicle shook violently, went into LIMP Mode, and failed to accelerate above 10 MPH. The contact stated that the vehicle stalled. The vehicle was towed to the dealer, and the fuel rail sensor was replaced. However, the fuel tank became deformed and bent the subframe, which the dealer deemed unrepairable. The manufacturer was notified of the failure by phone. The failure mileage was approximately 102,000.

Filed Aug 24, 2026 · Engine · 20,000 miles · AZ

The contact owned a 2021 Kia K5. The contact stated that while driving at an undisclosed speed, the vehicle stalled. The failure was a recurring failure. The message "Not Emissions Ready" was displayed. The vehicle was towed. The dealer was contacted; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 20,000.

Filed Apr 22, 2026 · Fuel system · PA

A fuel system-related safety recall (SC356) remains incomplete on the vehicle. The vehicle was taken to an authorized Kia dealership in Jersey City, NJ, where I was informed that the recall repair had been completed. I paid for towing to the dealership for this repair. However, after picking up the vehicle, it immediately began exhibiting worsening symptoms, including engine shaking, rough operation while driving and idling, and prior stalling incidents. A check engine light also appeared after the visit. Upon further verification, the recall still shows as incomplete. This indicates that the recall repair was either not performed or not completed correctly. The issue appears to involve the fuel system, as the symptoms worsened after refueling and include unstable engine performance consistent with improper fuel delivery or air entering the system. This condition creates a safety risk due to potential engine stalling while driving, as well as the known recall risk involving fuel tank deformation and possible fire hazard. The problem has not been properly resolved by the dealership, and the vehicle is currently unsafe for normal use. The failed recall repair is available for inspection.

Filed Jan 30, 2026 · Driver assistance · TX · crash

The car was in an accident with the previous owner I bout the car and the carfax showed rear end collision I told the car worked perfectly. After purchase the car brakes have built up 2 times in 5 months the car stalled it has rpm issues lagging and hesitation as well as the safety front end collision has malfunctioned and it locked my brakes up I did all the steps to try to fix it and I ended up having to disconnect the battery. I sent it to the dealer and they said it was fine I now see the carfax as showing front end collision was reported and has been in the shop multiple times for the hesitation and stalling issue which now that my blue certificated warranty is out they found the issue (pcv valve etc) I’ve asked for a remedy with the dealer and they won’t budge this car is a safety liability.

Filed Dec 16, 2025 · Acceleration, Electrical · TX

Ever since I bought my car in July of 2025 cash I’ve been having issues. Shortly after purchasing my car began to stall , lose power repeatedly. I then took to southwest kia in Dallas they told me I had contaminated gas. They charged me $2,000 to clean my fuel lines , replace spark plugs & replace a fuel pressure sensor. Shortly after i got my car I had the same issues. I explained my concerns and they replaced my fuel tank free of charge. A week later same issue so I went to a local mechanic and he replaced another fuel pressure sensor a month passed same issues occurred at least 3 more times on 3 different occasions. I’ve had to get my car towed off the middle of the free way or road numerous of times. This has been a financial nightmare

Filed Dec 16, 2025 · Electrical, Engine · TX

The vehicle experiences severe stalling and loss of power while driving. When attempting to accelerate, the vehicle hesitates, shakes violently, and will not accelerate beyond approximately 10–20 mph. The vehicle then stalls completely and shuts off. These failures occur both after the vehicle has been parked and while actively driving. When placed in drive, the vehicle shakes aggressively and stalls. The check engine light is illuminated. The stalling has occurred multiple times in the middle of freeway traffic, creating an extreme safety hazard. My child has been in the vehicle during every occurrence. On one occasion, the vehicle shut off completely while on the freeway, placing our lives at risk and nearly resulting in a serious collision. This issue is unpredictable, persistent, and prevents safe operation of the vehicle. The vehicle has been inspected and worked on by Southwest Kia and A-Z Auto, but the defect continues to occur. I believe this is a manufacturing or design defect related to the engine or powertrain that poses a serious safety risk and should be investigated to determine whether other vehicles are affected.

Filed Dec 11, 2025 · Electrical, Engine · TN

Within three days of purchase, the vehicle experienced a fuel system failure requiring the gas tank to be replaced. Shortly afterward, the check-engine light illuminated, indicating additional engine or emissions problems. The failures occurred without warning and made the vehicle unsafe to drive. The engine warning has continued to appear, suggesting a recurring or unresolved malfunction. The defects create risks including fuel leakage, stalling, engine shutdown, and potential fire hazard. The safety of the driver and others on the road is put at risk because the vehicle may fail while in motion. The problem appeared immediately after purchase and continues to recur. The dealer was notified but refused to diagnose or repair the vehicle further. No manufacturer inspection has occurred because the dealership declined to provide service. The warning light first appeared within the first week of ownership and has remained intermittent. The vehicle shows signs of unstable engine operation and ongoing system malfunction. The issue has been observed by the dealer, but they declined to perform proper diagnostics or repair. The defects are persistent and pose ongoing safety concerns.

Filed Aug 14, 2025 · Engine, Fuel system · AZ

Car stalls out without warning. The electronics (radio, dash, lights, etc...) all are still functional, the engine light comes on while the car is still "on" with the engine stalled out. I pulled over, put the car in park, turned it off, and then restarted the car without issue. After restarting the car, the check engine light is not longer on. This first occurred once about a year or two after i bought the car while on the freeway (2023). The second time I was on a dirt road outside of town (March 2025). The third time I was accelerating through an intersection while taking a left turn, after being stopped at the green light waiting for a time to turn (August 2025). My car stalled out in the middle of the intersection, but I was lucky enough to have gained enough momentum to roll out of the way of oncoming vehicles. The most recent time this occurred, the car had trouble turning over, but was able to after a few tries. I took it into my kia dealership and they told me to replace the battery as it was testing "low". I bought a battery from autozone and replaced it as instructed. However I have never had any issues otherwise and the battery test autozone performed on my old battery said the old battery was still "good". This was recent and the problem is rare so i have not confirmed if this is a fix, however it is a dangerous fault that does not seem to be resolved.

Filed Jul 27, 2025 · FL

I am submitting this complaint regarding ongoing and unresolved safety issues with my Kia K5, which I believe are directly related to a known recall involving the ECM (engine control module) and/or fuel system. My vehicle continues to jerk and misfire during acceleration, and it has even stalled at idle on multiple occasions — creating a serious safety concern for myself and others on the road. I have already completed the recommended repairs, including new ignition coils and spark plugs, yet the problem persists. Despite these symptoms aligning with known recall-related issues, Kia of Orange Park (Florida) has refused to fully diagnose or investigate the matter, citing that the recall does not apply in my case. However, the symptoms match those outlined in other ECM/fuel system-related recalls, and this is not the first time this dealership has failed to properly address mechanical concerns. Previously, I had to escalate an A/C issue to Kia Corporate, which only resulted in a resolution after a recall was issued right before my vehicle was set to be returned with the same issue. That situation makes me extremely concerned that my current safety concerns are again being ignored and will only be addressed after a broader recall is issued. I am requesting that the federal safety agency investigate this matter, as I am worried this defect may affect other vehicles and poses a safety risk that Kia and its dealerships are not taking seriously. Thank you for your attention and action.

Filed Jul 21, 2025 · Fuel system · TX

My fuel tank expanded while I was driving on the highway, causing my car to stall and would not respond to me pushing on the gas. I pulled over on the side of the highway and looked back and saw my rear seats were pushed up. Got it towed to the Kia dealership and they informed me that my car was totaled because the gas tank expanded so much it bent my frame. This has been an ongoing issue with Kia/Hyundai vehicles but they have still not issued a formal recall, only a voluntary callback even though this is a very dangerous defect.