2018 Kia Niro Phev Fuel system Problems
- Complaints
- 1about this part
- Share
- 8%of 13 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the fuel system of the 2018 Kia Niro Phev, 8% of the 13 complaints for this model year.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Year/Make/Model: 2018 Kia Niro Hybrid Mileage at time of incident: approximately 69,000 Component: Hybrid Propulsion System / Powertrain My 2018 Kia Niro Hybrid has experienced five recurring Hybrid System Failure — Turn Off Engine errors occurring without warning while the vehicle was being operated. Each occurrence rendered the gas engine ineffective in moving the vehicle, creating an immediate safety hazard. The driver was forced to quickly navigate to safety each time. The vehicle has been brought to the dealership four times for this issue — February 25, May 4, May 15, and May 30, 2025. …”
NHTSA complaint #11741362, filed 2026-06Related service bulletins
- 10210264Apr 7, 2022TECHNICAL SERVICE BULLETIN: HIGH-VOLTAGE BATTERY ORDERING AND RETURN PROCEDURE - This bulletin has been revised to include additional information. New/revised sections of this…
Fuel system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 3 | 12% |
| 2018 | 1 | 8% |
Other parts of the 2018 Kia Niro Phev
6 complaintsEngine
4 complaintsElectrical system
2 complaintsOther or unknown
2 complaintsBody and structure
2 complaintsVehicle speed control
2 complaintsAir bags
1 complaintsBrakes
1 complaintsElectronic stability control
1 complaintsForward collision avoidance
1 complaintsSuspension
1 complaints
← All problems reported for the 2018 Kia Niro Phev
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology