Kia Sportage stalling problems

Filed Nov 3, 2026 · Engine · MA

car and Jen was replaced October 2025 for engine failure 10 months later the engine begin stalling and not accelerating on the highway or on any road so we brought it to our dealership to get it looked at a code came up, which said the engine was in failure . no oke will cover the engine and kia wont stand behind the work that they did

Filed Oct 28, 2026 · Engine, Fuel system · OR

"While driving to work and actively attempting to pass another vehicle, the battery light suddenly illuminated out of nowhere. A short time later, while slowing down at a stoplight coming into town, the engine completely stalled out and died in the middle of a busy, active intersection. I lost all acceleration and power steering capabilities, and narrowly avoided an accident while coasting blindly across traffic to safety. The vehicle has had a chronic, active P0420 Catalytic Converter efficiency code caused by a known Kia manufacturing defect of massive, excessive oil consumption (requiring constant oil additions to maintain operation). The excessive oil burning directly fouled the exhaust and caused this sudden, life-threatening engine failure on a public roadway."

Filed Oct 21, 2026 · Electrical, Engine · AR

The vehicle experiences an intermittent, severe safety malfunction tied to the Idle Stop & Go (ISG) auto-stop system. When brought to a complete stop at intersections or red lights, the engine shuts off normally to conserve fuel. However, when releasing the brake pedal, the engine completely fails to auto-restart and stalls out in live traffic. The vehicle locks up, flashes an error message on the instrument cluster instructing the driver to shift to Park or Neutral to restart, and requires a hard manual key cycle to get the vehicle moving again. This intermittent defect has occurred over the past year, creating an extreme hazard for rear-end collisions in high-traffic intersections. The component is available for inspection upon request. The vehicle was presented to an authorized dealership on October 21, 2026, at 31,985 miles specifically for this stalling defect. The technician documented the complaint on the Repair Order but was unable to duplicate the stalling during a brief road test, noting that values were within factory specifications at that moment and taking no repair action. The manufacturer has not yet issued a recall or permanent remedy for this generation of vehicle stalling.

Filed Aug 13, 2026 · Engine · TX

2018 Kia Sportage (78,051 miles). Vehicle is part of the Kia Engine Class Action Settlement due to severe internal engine defects. The engine suffers from catastrophic oil consumption, running almost completely dry three times in less than six months with no external leaks, meaning it is internally burning motor oil at a dangerous rate.This known engine defect caused severe consequential damage to the exhaust and emissions systems. On Aug 12, 2026, a Kia dealer technician diagnosed active code P0420. The technician's video inspection stated both the catalytic converter and O2 sensors are completely "out of specification." This double failure is a direct result of the engine defect blowing excessive liquid motor oil out of the engine block and down the exhaust pipe, fouling the sensors and melting the internal catalyst.This failure happened immediately after receiving the mandatory Kia Recall SC340 update (Catalyst Overheating Protection). The vehicle is under the 80,000-mile Federal Emissions threshold, but Kia is denying coverage based strictly on a calendar time limit. They refuse to take responsibility for emissions components destroyed by their settlement-recognized engine defect.This condition poses a serious safety hazard. Driving with heavily fouled O2 sensors and a failing catalytic converter causes poor engine performance, unpredictable stalling or hesitation during acceleration, and excessive unburned fuel vapors to enter the environment and potentially the cabin. I request the federal safety agency investigate Kia’s refusal to cover secondary emissions damages directly triggered by their defective oil-burning engines.

Filed Aug 13, 2026 · TX

Main 12V electrical system failed completely. The engine stalled, the entire dashboard blacked out, and all auxiliary safety power was lost. The vehicle is currently located at Parkway Family Kia and is fully available for inspection. At rush hour freeway speeds, the engine stalled and total electrical failure occurred. Navigating across active lanes without engine power or power steering was extremely difficult. The total blackout killed my hazard lights, preventing me from warning other high-speed drivers. The dead car blocked an active lane on the feeder road, and an inattentive driver nearly struck my stalled, unlit vehicle. With zero hazards, I had to abandon the car and flee to the roadside to avoid a rear-end collision. Additionally, all passenger doors permanently locked, creating a severe entrapment hazard. Not yet. The vehicle was towed to Parkway Family Kia on Tuesday and is currently awaiting an official manufacturer diagnostic inspection by their service technicians. No advance symptoms prior to the day of the incident. At the moment of failure, the dash suddenly lit up with multiple warning lights. Within a tight 1 to 2-minute window, I completely lost power steering, making the vehicle extremely heavy and difficult to maneuver off the highway. Immediately after those 2 minutes, the dashboard and all electrical components went completely dark.

Filed Jul 20, 2026 · Steering · TX

On Tuesday, July 14th I started my vehicle around 6:30 am and started to drive. Once I was driving, I had multiple warning lights on my dash showing and my power steering failed on me. I stopped the vehicle, put it in park and turned it off. I restarted the car and still had the various warning lights and no power steering. The car was driving fine with no warning lights at 4:50 am that morning and again at 6:15 am that morning. I managed to drive the 2 miles home at a low rate of speed with no power steering since there were not many cars out. I called the Kia dealership and contacted a tow truck to take the vehicle in. The tow truck driver saw the warning lights as well and had to maneuver the car with no power steering onto his truck. Once Kia did the initial inspection, they said there were no warning lights and the power steering worked. They were going to conduct a more thorough inspection on Friday to see what the issue was. I called end of day Friday and was told they would need more time to inspect since they could not find any issues with the car. The know the warning light had shown up but if they could not recreate the issue then the car would not be looked at further. This is the 3rd issue with this vehicle that the dealer could not recreate. I've had the vehicle stall on me at a light when I was stopped or at a stop sign as well as not accelerate when I was at a high rate of speed in an emergency situation. This issue puts me and my family at risk if I were to be driving during a busy period or on a highway. My car is only 2 years old and has under 32k miles, I drive it frequently to visit family 4 hours away. I am to pick up my car from the Kia dealer and I am scared to drive this car. I feel it's a deathtrap and an accident waiting to happen. Kia said I can always trade it in for a new car, but no thank you.

Filed Jul 17, 2026 · Engine · CT

The engine consumes excessive oil due to the known Theta II piston oil control ring defect that the manufacturer documents in its own Technical Service Bulletin ENG222, covering this engine family across model years 2011 to 2024. The vehicle loses over one quart of oil per 1,000 miles with no external leak and no oil pressure warning. The manufacturer's authorized dealer completed the entire TSB ENG222 diagnostic protocol, which is itself a controlled test designed to isolate cause. The engine was sealed, and after 1,080 miles it was 1.5 quarts low. The dealer then performed the TSB's combustion chamber cleaning. After that repair, over 1,149 miles, the engine was 1.4 quarts low. The cleaning had virtually no effect on the consumption rate. Because the protocol sealed the engine and cleaned the combustion chambers and the consumption rate remained unchanged, the protocol itself mechanically excludes maintenance as the cause and isolates the failure to the internal piston rings. This is the exact defect TSB ENG222 was created to diagnose and repair. The defect has been reproduced and confirmed by the manufacturer's own authorized dealer through this protocol, and the vehicle is available for inspection upon request. Under the TSB, these results qualify the engine for replacement. The manufacturer nonetheless denied the engine replacement, citing a lack of oil change receipts rather than any technical evidence of neglect, despite its own diagnostic protocol having already ruled out maintenance as the cause. Safety concern: an engine consuming oil at this rate risks sudden loss of oil pressure and engine failure while driving, which can cause a stall or loss of power in traffic.

Filed Jul 13, 2026 · Engine · TX

the federal safety agency Complaint Description — Kia Sportage Engine Stall While driving my 2020 Kia Sportage in mid‑June 2026 on I‑45 in Houston, TX, the vehicle suddenly stalled while I was driving, with no warning lights, messages, or symptoms beforehand. This created a dangerous situation because I was in active highway traffic and had to pull over immediately. My oil change was due on 06/02/2026, but even between 06/15–06/20, the vehicle should still have had oil. A car does not lose all oil in two weeks under normal conditions. The sudden stall and lack of oil indicate a mechanical defect, not a maintenance issue. I received a Kia notice around December 2025 or early January 2026 stating that my vehicle’s year and model could be eligible for an engine defect inspection. The letter explained that even if my VIN does not show up in their system, the model/year is still included. My vehicle is showing the same symptoms described in the defect notice, including unexpected stalling and oil loss. The problem has not yet been inspected or confirmed by the dealer, but the incident clearly shows a serious safety risk. My vehicle is available for inspection upon request.

Filed Jul 8, 2026 · Acceleration, Airbags · TX

One day as I was turning at a green light the car completely stopped on me. I had to turn it off and then restart it and it worked fine. About a week later I had to drive to my cousin's house 45 minutes away and the car would not go, it acted like it was stalling and It didn't want to go over 2000RPMs and it was really sluggish like it didn't want to shift into the next gear. I finally got on the highway and it would not go past 60 miles an hour and then also if you try to drive it, it will slow down like its shutting off on you. I've had a new battery replaced, 4 new tires a windshield, and wipers replaced. I took the car to AutoZone and also to another guy and both of them used their computers and said that it's the engine and they called it rod knocking. I called customer service and they said yes their is a recall and that they would replace the engine. I tried to call kia in mesquite Texas because that is the closest one to me and I left a voicemail they did not call me back I am carless I'm a single disabled mother I need a working car.

Filed Jul 7, 2026 · TN

Vehicle suddenly entered recall limp-mode due to the ongoing engine campaign. Prior to this, the vehicle had immaculate maintenance records and zero driveability issues. The franchise dealership performed a short-block engine replacement under the safety recall, rushing the complete powertrain swap in less than a single afternoon.The dealership subsequently returned the vehicle in a dangerously malfunctioning and incomplete repair state. At delivery, the Check Engine Light was actively illuminated, and the car exhibited severe acceleration stumbles, power loss under load, and engine misfires (driving "punchy"). Because I am a non-mechanic, I gave the vehicle one week to settle, but the life-threatening acceleration stumbles persisted.Upon immediate return to the service center, the technician (Nathaniel) formally diagnosed failing intake manifold "butterfly" valves (Variable Charge Motion assembly). Nathaniel explicitly admitted to me that this auxiliary component failure was directly caused by the mechanical extraction and engine replacement process. Despite admitting their labor caused this defect, the dealership refused to complete the safety repair, demanding a fraudulent $900 out-of-pocket payment to correct it. Management then falsely claimed a simple manifold service would take two full days—directly contradicting their rushed afternoon engine swap.The dealership released the vehicle back to me with no confirmation of safety or roadworthiness. I escalated this to Kia Corporate Customer Care, but they officially responded via email refusing to intervene or facilitate any auxiliary repairs. Out of absolute necessity as a single mother working 12-hour shifts, I am forced to drive this vehicle short distances. It remains a major safety hazard due to unpredictable stumbling, chronic cylinder misfires, and high risk of sudden stalling in active traffic, leaving a federal safety recall completely incomplete. I have invoices and emails if needed