2022 Kia K5 Engine Problems

The contact owns a 2022 Kia K5. The contact stated that while driving 50-65 MPH, the vehicle was jerking and came to a sudden stop. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, and it was determined that there was an issue with the water pressure cooling system. The vehicle was taken to the local dealer, who was unable to determine the cause of the failure. The vehicle was not diagnosed or repaired. The dealer confirmed that there was no warranty coverage for the repair on the vehicle. The contact called the warranty company and informed the contact that the warranty mileage was 100,000. The manufacturer was contacted and informed the contact that the dealers were independently owned. No assistance was provided. The failure mileage was approximately 76,000.

NHTSA ID

11753069

Incident

Jul 27, 2026

Mileage

76,000 mi

Driving anywhere in general and which ever speed my gas would leak and smell would over take the car and I have a [XXX] and [XXX] babies. This is not the first but the third recall and this is a fire hazard I can’t imagine my car going in flames while we’re already suffering with a leaking gas smell every time we drive the car I can loose my whole family I will soon being filing a lawsuit against this I want a new vehicle completely I do not feel safe in this car with my kids at all there’s always an issue and my dealership is over 40min away to be going so often throughout the years of having this car this is completely unsafe dangerous and just out right unexpectedable and will be filing soon for a new car and compensation INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11748609

Incident

Aug 11, 2025

The Integrated Thermal Management System (ITMS) in my Kia K5 GT (2.5T engine) has experienced a recurring internal electronic and mechanical fault. This is the third failure of this component. The failure causes the cooling system to malfunction, either by over-cooling or failing to cycle coolant once at operating temperature. ​Under acceleration—specifically when merging onto expressways—the vehicle suffers a sudden loss of power and enters 'limp mode' with a dashboard alert stating the engine is overheating. This creates an immediate safety hazard in high-speed traffic. When the fault occurs, the radiator fans lock at 100% duty cycle. This is a documented systemic issue with the Kia 2.5T powertrain (referenced by major automotive publications and multiple Technical Service Bulletins). ​Despite a prior Lemon Law settlement and an active 100,000-mile powertrain warranty, the manufacturer refuses to acknowledge this as a powertrain or emissions defect, attempting to charge out-of-pocket for a component that prevents the vehicle from passing state emissions and safety inspections."This was also cited in a 2023 issue of car and driver magazine long-term test with The Kia Sorento that shares the same engine and transmission combination This is a third time that part has failed for me with others had to replace that part over seven times The first time it happened it was at 8,000 mi it did not get fixed until 30,000 mi The second time it happened was at 51,000 mi The third time 75,000 mi

NHTSA ID

11737476

Incident

May 4, 2026

My 2022 Kia K5 GT-Line has had a recurring check engine light fault (P0471 — exhaust pressure sensor circuit) since approximately 9,874 miles in September 2022. The vehicle has been brought to the servicing Kia dealer a minimum of five times for this same fault across nearly 65,000 miles. It has never been permanently resolved. Most critically: dealer repair records from May 2025 (56,501 miles) confirm a technician identified fault code P047100, noted it as a history code, cleared it, test drove the vehicle, and returned it without performing any repair and without informing me. Ten months later, the same dealer presented this identical fault as a $1,121.07 customer-pay repair on a vehicle under active 10-year/100,000-mile powertrain warranty. The repair was only approved after I contacted Kia Consumer Affairs directly — the dealer had not contacted them despite claiming otherwise. The February 2026 repair failed within 15 minutes of pickup. I made five documented phone calls to the dealer over 33 days reporting the failure. No action was taken. The April 2026 repair — sensor and hose replacement — failed within one hour of pickup on April 1, 2026. Of additional concern: Recall SC288/SC288A (Fuel Tank Inspection and ECM Re-Update) was performed on this vehicle twice — July 2024 and August 2025. The ECM governs the exhaust pressure sensor circuit. The P0471 fault first appeared in dealer records between these two recall dates and has persisted through both completions. CARFAX confirms the April 2026 repair involved the engine/powertrain computer module. I am requesting NHTSA investigate whether SC288/SC288A is connected to recurring P0471 faults in 2022 Kia K5 vehicles. Kia Consumer Affairs Case escalated April 2, 2026.

NHTSA ID

11728917

Incident

Apr 1, 2026

My 2022 Kia k5 has gone into limp mode multiple times now while I am driving in addition to when it starts up. Check engine light, AUTOHOLD, EPB, traction control, etc. all aluminate on my dashboard. Car drives very rough and doesn’t want to accelerate or shift. Huge safety issue. Dealership said it was the throttle body assembly. Paid to have it replaced and the issues still persists. I have read multiple other comments with the same issue and dealerships have no idea what the issue is or how to correctly diagnose. Error codes were P00BD00, C136081, and C174181.

NHTSA ID

11711976

Incident

Nov 2, 2025

The drive train car would not go then my accelerator will rev up and down and not go over 10 miles a hour then all these service lights come on and car go in like limp mode and not drive in middle of intersection no one inspected the car i tuned it off and let it sit for 24 hours and started it and it was normally except the acceleration goes up and down when it wants to there were a lot of warning lights

NHTSA ID

11708605

Incident

Dec 26, 2025

UNKNOWN. Engine misfires. Piston rings

NHTSA ID

11707649

Incident

Dec 27, 2025

My vehicle is subject to an unrepaired safety recall involving the fuel system. According to the manufacturer’s recall notice, a damaged check valve may allow air to enter the fuel tank, causing the tank to expand and contact hot exhaust components. This can melt the fuel tank, cause fuel leakage, and increase the risk of a vehicle fire. This vehicle has experienced multiple fuel-system-related recalls, and this recall is currently listed as incomplete with no remedy available. The manufacturer has not provided a repair timeline, and owner notification and repair availability are delayed. I am concerned for my safety and the safety of my passengers because I am required to continue driving a vehicle that the manufacturer acknowledges poses a fire risk and cannot currently be repaired.

NHTSA ID

11705994

Incident

Jul 20, 2024

The contact owns a 2022 Kia K5. The contact received notification of NHTSA Campaign Number: 25V794000 (FUEL SYSTEM, GASOLINE); however, the part to do the recall repair was unavailable. The local dealer was contacted, and it was confirmed that the part was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact experienced the failure, causing the check engine warning light to remain illuminated, and the vehicle hesitated while accelerating. The vehicle was taken to the local mechanic, who diagnosed the vehicle and determined that the check valve was faulty and needed to be replaced. The vehicle was not repaired. Additionally, the contact stated that while the AC was activated, one vent was blowing hot air while the other vent was blowing cold air. No further information was available. The failure mileage was 103,000.

NHTSA ID

11705504

Incident

Sep 17, 2025

Mileage

103,000 mi

While driving my 2022 Kia K5 LXS, the vehicle began shaking violently and lost acceleration. The check-engine light came on, showing code P0301 (cylinder 1 misfire). The issue caused unsafe driving conditions, especially with my child in the car. Kia Roseville incorrectly documented the repair, while Kia Folsom later confirmed the issue was engine-related. The vehicle has also been subject to fuel tank expansion concerns under recalls SC288 and SC288A, which can create additional fire risk and pressure issues. Despite repairs, I still experience safety fears and severe loss of vehicle value due to these recurring defects and poor documentation. Kia America has not provided a resolution.

NHTSA ID

11695160

Incident

Apr 25, 2024

I noticed my car jerking from a stopped position a few months back it wasn’t consistent but it happened I figured it was just a powerful motor however last on October 7th I was driving down the street to go to the dealership and my car lost power I had to pull over my son was panicking he’s just little and I sat there and luckily it started after a few minutes and I went to the dealership and they blew me off saying it has electrical issues. WELL I went to Oreillys and they tested my battery it was good but only getting 10 % charge to it which he said was odd so he said to try and drive it some and come back he wlll see where it’s at. I did that and he said oh wow you’re back up to 100%! Well that was the 7th now last night I’m driving around Tallmadge ave and BOOM everything lit up I lost power steering my lights shut off completely and it was close to midnight! It was insane I am luckily a very good driver because I almost went right off the road!

NHTSA ID

11694231

Incident

Oct 18, 2025

the fuel tank on my car expanded a few hours after inspection was taken place. The dealership stated my car was completely unsafe to drive and would not let me leave with it. My daughter was in the backseat when it happened, but she is safe and so am i

NHTSA ID

11691556

Incident

Oct 2, 2025

I was driving my car and heard a loud pop, I was on the interstate and thought maybe my tire was going flat but nothing alerted me on my dash. I heard loud wind noises but everything seemed fine until my car started basically hopping forward and it became hard to accelerate. I had to push the gas harder than normal to maintain average highway speeds. I was also feeling super lightheaded while driving and kept rolling my window down as if I couldn’t get a full breath of air. I would roll it back up after 5 minutes or so and would have to roll it right back down. I was driving a long distance and wasn’t able to immediately stop but I was informed of the gasoline fumes when I family member helped get my bags out of my car. It was the scariest thing

NHTSA ID

11690424

Incident

Sep 21, 2025

Thoratal body and engine light and engine rebbing up on its own.

NHTSA ID

11682212

Incident

Aug 21, 2025

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.

NHTSA ID

11680790

Incident

Aug 6, 2025

Engine failed for literally no reason and started smoking and Lia won’t stand by warranty either

NHTSA ID

11680233

Incident

Jun 1, 2025

Brake pump failure caused the exhaust camshaft to break on the engine rendering the car inoperable. Engine replacement will cost over 8000 quoted by dealership. Car has check engine lights on the dash. We were advised by the mechanic at the dealership, they have had problems with the k5s with this issue.

NHTSA ID

11672599

Incident

Mar 1, 2025

While driving the car started to have the sensors for the adaptive cruise control, automatic emergency breaking, blind spot warning, forward collision warning, and rear cross traffic warning all came on. The rpm starting going crazy the car was shaking and struggling to start, the car was shifting weird causing the acceleration to be poor. This all happened while driving if we were on a busy road we would’ve gotten hit the car randomly started breaking and slowing down, this is dangerously and could cause serious injury and damages to the vehicle and others around it. This is a problem a lot of people have been complaining about and need to be fixed it’s not okay or safe to be driving a car with these issues especially when there is no warning it just breaks and shuts down no matter where you are or how fast you may be going.

NHTSA ID

11671366

Incident

Jul 5, 2025

The vehicle has experienced repeated transmission-related issues, including erratic shifting, delayed response, slippage, and sudden loss of power while driving. These symptoms significantly impact drivability and pose a safety risk, especially when accelerating or merging in traffic. The issue was previously addressed by the dealership under a recall repair. However, the same transmission behavior has returned approximately 3–4 months after the repair. The dealership performed repairs multiple times before, and the symptoms have now recurred. The problem has been confirmed by the authorized dealership and is scheduled for another inspection. There have been warning symptoms such as hesitation during gear shifts and intermittent power dips while in motion, which began reappearing recently. The component remains available for inspection. Given the repeat nature of the issue following an official recall, I believe this may be part of a broader unresolved defect in the vehicle’s transmission system. The issue initially reappeared briefly after the recall repair, then subsided. However, it returned more consistently and noticeably after a couple of months, and is now ongoing.

NHTSA ID

11656652

Incident

Feb 3, 2025

On August 23rd my car slowed down while on the highway and completely came to a stop and wouldn’t drive while pressing the gas. At this time the forward safety system, EPB, Auto Hold, caution and traction control lights were on. I had to get the car towed to the dealership. September 1 Kia called said nothing was wrong with the car I could pick it up that same day I got charged for a diagnostic fee and also asked for the inspection to be done. Picked up the car on 9/2. After driving the car 2 days all the lights came up including the check engine light, at this moment the car completely stopped and turned off while in the middle of incoming traffic when turning at a light. Quickly turned blinker lights on and turned the car on and was able to drive it at this time only the check engine light was on called my husband because I was shaken by the fact that I could of been seriously injured if traffic would of been heavier at that time. He called Kia told them about the situation and they said to take the car in. As of right now 10/3 Kia is still not aware of what is going on with the vehicle and have stated that they have checked several things and still have not found the issue. The next thing they will be checking is the fuel system. To this moment I am thankful that nothing worse happened when the car completely came to a stop in the middle of incoming traffic, while the car was just inspected 2 days before.

NHTSA ID

11548114

Incident

Aug 23, 2023

The Integrated Thermal Management System (ITMS) failed/ malfunctioned. Available for inspection. My car completely lost power on the interstate and it was 70 mph speed limit, I had a semi behind me. I’m taking to the dealer when I’m off in 3 to 4 weeks. Problem has been reported by other owners, as well as Hyundai Sonata N-Lines. Also video evidence. Not been inspected yet, but that’s the problem. No warning lights. Could see the temp gauge moving up when I accelerated. Problem happened when it was cold outside, popped the hood and engine wasn’t overheated at all, ITMS failed.

NHTSA ID

11541070

Incident

Aug 26, 2023

On December 28th 2022 between the 6:30 am to 8:00 my car was parked and caught on fire. I have filed a complaint with Kia and since then I have gotten the run around about them looking into the vehicle and seeing what cause the issue. My car was still under the manufacture warranty

NHTSA ID

11508467

Incident

Dec 28, 2022

I was traveling normally, exiting a highway ramp when my car acceleration system malfunctioned. It seemed as if it was a power train issue or engine issue. I was not able to accelerate or slow down properly due to this malfunction and it caused me to crash. My car was totaled.

NHTSA ID

11502223

Incident

Mar 17, 2022

On 11/29/2022 my car wouldn't start, just click and continued to try and start then the check ESC warning came on. I had to get it jump started from KIA Roadside assistance and drove vehicle to local KIA Dealership where they tested the battery and said it was a bad battery. They replaced the battery. My car was purchased Dec 23rd 2021, battery was not even a year old . Fast forward 27 days, on Dec 26th, 2022, I was originally scheduled for the 8000 mile maintenance with Jake Sweeney KIA at 10am, went to start vehicle and wouldn't start again. It done the same as before on 11/29. Just click several times and then the check ESC warning came one(I have video of the entire process). after the Check ESC went off the entire cars electrical system went out and I couldn't even get jumper cables out of trunk of car. I contacted roadside assistance again, but they said it would be 3 to 4 hours before they could come, so I bought cables from store. Once started drove it to Jake Sweeney KIA they change oil and rotated tire and did diagnostic check and everything came back fine, but here is my issue I knew it would because once you jump the car there are no codes or issue after that. Left the dealership and will wait to see if it does it for a third time. I feel they should replce vehicle because this is a safety issue if happens outside the home not mention incovenice with everyday life (work etc).

NHTSA ID

11498955

Incident

Nov 29, 2022

Randomly, the cars engine rev is really low, it’ll go up down up down over and over and over and then shut off, sometimes while in motion. Other times, when you’re finished driving and you shift into park the engine will shut off the moment you hit park. My safety is at risk due to the fact that when I was in motion and it did that it could’ve caused an accident. The dealer claims they are unable to re-create the issue, even though I am video recording proof. Many warning messages appear on my dashboard when this happens, but they all go away. Once you turn the car fully off and back on.

NHTSA ID

11498761

Incident

Nov 1, 2022