2019 Kia Sorento: misfire or rough idle

Filed Oct 23, 2026 · Engine · TX

My check engine light came on. I took my vehicle to AutoZone so that they could tell me what the code read. The code read, cylinder 2 and cylinder 3 misfire. I replaced all 4 cylinders and spark plugs. 6 months after replacing all the parts, I had the check in light come on (flashing) while driving out of town. I was able to drive the vehicle back to town and after the vehicle sat majority of the day, it cleared on its own. Almost a year to the original date, I had my check engine light come back on. I took my vehicle back to AutoZone and the code read, cylinder 3 misfire. They were able to clear the code but it came back on within 30 seconds.

Filed May 11, 2026 · Engine · CT

I am submitting this complaint regarding a 2019 Kia Sorento that has experienced recurring oil loss/oil starvation and engine-related issues that I believe may present a safety concern. I purchased the vehicle used with approximately 45,000 miles. Since ownership, the vehicle has experienced repeated incidents involving low or nearly empty oil levels despite regular maintenance and monitoring. The vehicle previously underwent an oil consumption evaluation, however the issue continued afterward. During one event, the vehicle was reportedly found approximately three quarts low on oil. More recently, the vehicle again appeared to have little to no oil visible on the dipstick and began exhibiting drivability and engine concerns including grinding/banging noise during acceleration, intermittent timing/tensioner-type noise, misfires on cylinders 1 and 2, exhaust smoke, and strong oil-burning odor from the exhaust. Due to concern over possible engine damage and reliability, the vehicle was returned to the dealership for further diagnosis and repair. The dealership replaced ignition coils and spark plugs and road tested the vehicle extensively. While the vehicle is currently operating, I remain concerned that the underlying oil consumption/oil starvation condition may not have been permanently resolved. My concern is that repeated oil starvation conditions could potentially lead to sudden engine failure, loss of power while driving, or other safety-related issues. I am requesting that this issue be reviewed to determine whether similar complaints or defects exist involving oil consumption, oil starvation, or related engine failures in this vehicle.

Filed May 11, 2026 · Engine, Transmission · WV

Had to replace transmission at 133k miles. It was jolting sometimes providing a hard jolt at times will driving. There are also times of what feels like a cylinder misfire. Oil is constantly leaking and have to replace oil every 1k Miles. Have had multiple shops look at it and not able to find anything. Now during acceleration there is a huge grey smoke cloud coming from the exhaust. Looking at this site and through online it seems to be a common issue with this car and engine. So there has been multiple issues with this car - oil consumption of the engine leading to smoke in the exhaust and the transmission which was replaced a week ago

Filed Nov 21, 2025 · Engine · 65,000 miles · MI

The contact owns a 2019 Kia Sorento. The contact stated that while driving at an undisclosed speed, the oil pressure warning light illuminated. The contact checked the oil level after arriving at the residence and noticed that it was very low, almost empty. The contact added two quarts of oil to the engine. Several weeks later, the oil pressure warning light illuminated. The vehicle was taken to the dealer, where the contact was informed that an oil consumption test needed to be performed. The contact stated that the vehicle passed the oil consumption test. The dealer cleaned off the top of the engine. The contact needed to add two quarts of oil every 1,500 to 2,000 miles driven. The contact stated that on a separate occasion, while her husband was driving at an undisclosed speed, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The check engine warning light illuminated. The contact's husband was able to drive back to the residence at a slower speed. The vehicle was taken to an independent mechanic who diagnosed that the engine had failed and needed to be replaced. In addition, the contact was told that the manifold had melted and advised the contact to take the vehicle to the dealer. The vehicle was taken to the dealer, where it was confirmed that the engine had failed. The contact was informed that a bearing clearance test needed to be performed. The vehicle failed to pass the test. The contact was informed that cylinders #1 and #4 had misfired. The dealer changed the ignition coils. The contact stated that the failure had recurred, and the vehicle was parked and was no longer driven due to safety concerns. The manufacturer was made aware of the failure, but no assistance was provided. The failure mileage was approximately 65,000.

Filed Sep 18, 2024 · Driver assistance, Engine · SC

Possible components/systems with issues: Engine, Suspension, Electrical, Emergency Parking Brake and Auto Hold, Back-Up Camera, Parking Collison Warning, et al Been trying to get my vehicle issues resolved. I have not been able to enjoy nor use my vehicle. I've had numerous repeat service appointments. I feel unsafe using the vehicle. Issues have almost caused accidents. It is now at the dealership and I've been in a loaner vehicle almost 3 months. 1. Suspension problems: I had to drive at reduced speeds and avoid highway usage. Poor driveability and rough handling. Felt like tires would pop off. 2. Oil consumption: Poor performance, reduced power and fuel economy. Check engine light came on. Dealership said I had no oil, history codes, and code for injector misfire. They cleared the codes, told me to come back if codes come back. Had me to do oil consumption tests every 1,000 miles which showed low oil levels. I had to restrict usage of my vehicle for the testing. They ultimately said someone did not properly do the testing and there was never an issue with oil consumption. I believe there was an issue. Check engine light keeps coming on. 3. Back-up camera was replaced for recall. New camera had issues causing inverted images, distorted views, and malfunctions with parking and blind spot sensors. Could not use camera. Took back to dealership multiple times, they checked and said they fixed it but it was not. 4. Emergency Parking Brake and Auto Hold Malfunction: Dashboard indicator for Auto hold malfunction and messages for activation/deactivation of emergency brake/Parking. Vehicle would stop abruptly while driving without notice. Almost caused several accidents. Auto hold would not function as designed so vehicle would keep moving when it was activated, however, the vehicle is not supposed to move when it is activated. Had to pull over, turn vehicle off and back on. Sometime it cleared, sometimes it didn't. Dealership could not replicate so had me record

Filed Jul 8, 2024 · Engine · AL

UNKNOWN Excessive oil burning, Engine stalling, car shaking loss of power, misfiring,

Filed Jul 4, 2020 · Engine, Transmission · 38,000 miles · PA

When pulling out onto the road pushing on the accelerator the vehicle wont accelerate ,pushing down on the accelerator another 1/8 of an inch and the vehicle will take off very fast, also it feels like a misfire at slow speeds.it happens always.

Filed Jun 18, 2020 · Engine, Transmission · 27,895 miles · NH

Stumbles horribly through the low gears during acceleration until hitting ~45-50mph on cold start-up (after sitting several hours or overnight). After engine warmup the effect begins to moderate, though it remains present at all times. Worse in eco and comfort drive modes. Going up hill the car accelerates faster which lurches the car forward and is very scary. Sounds like a misfire when I start the car this happens in the city/town and speeding up to get on the interstate.