2015 Kia Soul fuel/propulsion system problems
76 owner complaints filed with NHTSA name the fuel/propulsion system on the 2015 Kia Soul — 8% of all complaints for this model year.
What owners report
“Code P1326 Popped up - my mechanic replaced the P1326 Knock Sensor for the Kia. Code P1326 Popped up 2nd time - replaced sensor again. Code P1326 popped up and now there is some knocking. Check engine light flashing - then went off for a while after part was replaced, and then back on again, and…”
filed Dec 25, 2025
“P0420 code indicated during emissions test. Vehicle shut off after stopping and acceleration after stopping. Hesitates when trying to restart Vehicle. Contact kia manufacturer about engine and P0420 code, however no help was given.”
filed Sep 29, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Soul years
| Year | Reports | Share |
|---|---|---|
| 2023 Soul | 1 | 2% |
| 2022 Soul | 7 | 8% |
| 2021 Soul | 10 | 5% |
| 2020 Soul | 15 | 4% |
| 2019 Soul | 12 | 9% |
| 2018 Soul | 11 | 5% |
| 2017 Soul | 18 | 7% |
| 2016 Soul | 79 | 10% |
| 2014 Soul | 52 | 6% |
| 2013 Soul | 27 | 4% |
| 2012 Soul | 21 | 4% |
| 2011 Soul | 8 | 4% |
Other reported problem areas on the 2015 Kia Soul
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.