2019 Kia Sorento engine problems
155 owner complaints filed with NHTSA name the engine on the 2019 Kia Sorento — 36% of all complaints for this model year.
What owners report
“I am filing this complaint regarding my 2019 Kia Sorento and an engine failure related to Kia’s Product Improvement Campaign/KSDS (Knock Sensor Detection System) campaign. I purchased this vehicle used in 2022. Prior to the engine failure, I was never notified of any Product Improvement Campaign…”
filed Sep 4, 2026
“Engine seized per Kia Inspected by Kia after AAA TOWED AND COULD NOT START CAR warning lamps have been on for over 6 months. Kia inspected and ran diagnostics at that time and said it was nothing to fix just an annoying dashboard malfunction.”
filed Sep 4, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS: ECM LOGIC IMPROVEMENT (SC340 REVISION 5) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are…
SC340_TSB_R5 · Emissions · issued Apr 4, 2026TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSION SECM LOGIC IMPROVEMENT (SC340 REV 4) - This bulletin has been revised to include additional information. New/revised sections…
SC340_TSB_R4 · Emissions · issued Mar 6, 2026VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 103 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions…
SC340_OWNR_UM103 · Emissions · issued Dec 19, 2025TECHNICAL SERVICE BULLETIN: VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA II 2.4L GDI EMISSIONS ECM LOGIC IMPROVEMENT (SC340) - This bulletin has been revised to include additional information. New/revised sections of…
SC340_TSB_R3 · Service Bulletin/Repair Instructions · issued Dec 10, 2025VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION (SC340 FLIGHT 101 / UM) - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to improve the emissions…
SC340_OWNR_UM101 · Emissions · issued Nov 27, 2025
Engine problems in other Sorento years
| Year | Reports | Share |
|---|---|---|
| 2025 Sorento | 19 | 26% |
| 2024 Sorento | 5 | 12% |
| 2023 Sorento | 30 | 25% |
| 2022 Sorento | 52 | 28% |
| 2021 Sorento | 66 | 27% |
| 2020 Sorento | 64 | 48% |
| 2018 Sorento | 106 | 42% |
| 2017 Sorento | 385 | 48% |
| 2016 Sorento | 694 | 56% |
| 2015 Sorento | 360 | 48% |
| 2014 Sorento | 387 | 39% |
| 2013 Sorento | 496 | 51% |
Other reported problem areas on the 2019 Kia Sorento
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.