2014 Kia Cadenza engine problems
28 owner complaints filed with NHTSA name the engine on the 2014 Kia Cadenza — 25% of all complaints for this model year.
What owners report
“The engine started smoking and knocking really bad. Took it to the kia dealership and was told a piston o ring and gasket went bad because of heavy oil consumption that caused antifreeze to leak inside the motor while sitting still and this was causing the burning smell because the cylinder had…”
filed Apr 16, 2025
“A few weeks ago we were driving into town and the car had a light turned on and the smoke was coming out of the front and it smelled burnt. Then the car completely stopped. We almost wrecked. I was pregnant at the time and shod know what could have happened if we wrecked because the car had…”
filed Mar 22, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: OIL PRESSURE SWITCH (OPS) REPLACEMENT (WTY026 REVISION 2) - This bulletin has been revised to include additional information. New/revised sections of this…
WTY026_TSB_R2 · Service Bulletin/Repair Instructions · issued Mar 18, 2026TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 - REVISION 7) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a…
WTY039_TSB_R7 · Service Bulletin/Repair Instructions · issued Dec 18, 2025TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY INSPECTION/REPLACEMENT (WTY039 REVISION 6) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a…
WTY039_TSB_R6 · Service Bulletin/Repair Instructions · issued Dec 1, 2025TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN (WTY039) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area…
WTY039_TSB_R5 · Service Bulletin/Repair Instructions · issued Nov 4, 2025TECHNICAL SERVICE BULLETIN: ENGINE SUB ASSEMBLY: INSPECTION/REPLACEMENT (WTY039) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in…
WTY039_TSB_R4 · Warranty Program/Extension · issued Oct 8, 2025
Engine problems in other Cadenza years
| Year | Reports | Share |
|---|---|---|
| 2017 Cadenza | 10 | 32% |
| 2015 Cadenza | 13 | 27% |
Other reported problem areas on the 2014 Kia Cadenza
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.