2017 Kia Optima Engine cooling Problems
- Complaints
- 8about this part
- Share
- 3%of 257 total for the year
- Median mileage
- 110,569miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the engine cooling of the 2017 Kia Optima, 3% of the 257 complaints for this model year. Where a mileage was given, the median is 110,569 miles.
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.
“The contact owns a 2017 Kia Optima. The contact stated while driving approximately 35 MPH, the check engine warning light illuminated. The contact reset the check engine warning light however, the light became illuminated again. The vehicle was taken to a dealer and the contact was informed that the engine oil was low and needed to be topped off. Additionally, the dealer offered to perform an oil consumption test. The vehicle was not repaired. The contact stated that he had researched online and related the failure to an engine design flaw. …”
NHTSA complaint #11552931, filed 2023-10, 76,000 miles“The contact owns a 2017 Kia Optima. The contact stated she had noticed that the vehicle required more oil between oil changes. Additionally, the contact had noticed that oil was leaking underneath the vehicle. The contact stated that the low oil pressure warning light would only illuminate upon depressing the brake pedal. The vehicle was taken to an independent mechanic, where no oil leak was found, and the contact was advised to constantly check the engine oil level. The contact stated that upon checking the oil level recently, five quarts of oil needed to be added to the vehicle. …”
NHTSA complaint #11678456, filed 2025-08, 133,000 miles“The contact owns a 2017 Kia Optima. The contact stated that the oil warning light was frequently illuminated on the instrument panel. The contact took the vehicle to an independent mechanic and was informed that oil had leaked into an engine cylinder. The mechanic informed the contact that a Technical Service Bulletin had been placed on her vehicle in relation to the failure and referred the contact to a dealer for assistance. The contact called Pride Kia of Lynn and Herb Chambers Kia of Burlington and was informed that the vehicle was out of warranty. …”
NHTSA complaint #11549795, filed 2023-10, 122,000 miles“The contact owns a 2018 Kia Optima. The contact stated that while driving at an undisclosed speed, black smoke was coming from the exhaust pipe and the vehicle was jerking. The oil warning light was illuminated. The contact added engine oil. The vehicle was taken to an independent mechanic, where oil was found on unknown sensors and on the coils. The contact was informed that an oil change was needed, and the filter needed to be replaced. The vehicle was repaired; however, the contact stated that after starting the vehicle, the check engine warning light illuminated. …”
NHTSA complaint #11511029, filed 2023-03, 110,569 miles“The contact owns a 2017 Kia Optima. The contact stated while driving approximately 75 MPH, the contact attempted to accelerate to change lanes however, the vehicle failed to respond. The contact stated that the vehicle started to decelerate and sputtered as if the vehicle before the vehicle stalled. The contact stated that several unknown warning lights illuminated. The vehicle was pulled over to the side of the roadway and towed to the dealer. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that the entire engine needed to be replaced. …”
NHTSA complaint #11520970, filed 2023-05, 167,000 milesRelated service bulletins
- 10252085Mar 22, 2024TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 (PI1802Y/Z) - This bulletin has been revised to include additional…
- 10220346Sep 16, 2022TECHNICAL SERVICE BULLETIN: MAINTENANCE REMINDER FEATURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated…
- 10219692Sep 13, 2022TECHNICAL SERVICE BULLETIN: BEARING CLEARANCE TESTER (BCT) PROCEDURES - This bulletin provides information regarding test procedure of the Bearing Clearance Tester (BCT) Special…
- 10217677Aug 4, 2022VOLUNTARY EMISSIONS SERVICE CAMPAIGN: OWNER NOTIFICATION - This document is the owner notification advising that Kia is conducting a Voluntary Emissions Service Campaign to…
- 10217678Aug 2, 2022VOLUNTARY EMISSIONS SERVICE CAMPAIGN: THETA 2.0L T-GDI ULEV LOGIC IMPROVEMENT FOR EMISSIONS (SC205) - This bulletin provides the procedure to update the emissions-related logic…
- 10217676Aug 2, 2022Sc205_poc: proof of correction card
- 10217675Aug 2, 2022Sc205_stkr: voluntary emissions service campaign completion sticker
- 10217674Aug 2, 2022VOLUNTARY EMISSIONS SERVICE CAMPAIGN: QUESTION AND ANSWER - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Voluntary…
- 10217673Aug 2, 2022VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO - This document is the announcement to the dealer Parts and Service Managers that Kia is conducting a…
- 10217672Aug 2, 2022VOLUNTARY EMISSIONS SERVICE CAMPAIGN: DEALER PRINCIPAL MEMO - This document is the announcement to the dealer principals that Kia is conducting a Voluntary Emissions Service…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2020 | 8 | 5% |
| 2019 | 3 | 1% |
| 2018 | 14 | 6% |
| 2017 | 8 | 3% |
| 2016 | 24 | 3% |
| 2015 | 31 | 3% |
| 2014 | 16 | 3% |
| 2013 | 42 | 3% |
| 2012 | 20 | 2% |
| 2011 | 8 | 1% |
| 2010 | 2 | 3% |
| 2009 | 2 | 2% |
| 2008 | 5 | 3% |
| 2007 | 4 | 2% |
| 2006 | 9 | 6% |
| 2005 | 6 | 4% |
| 2004 | 11 | 5% |
| 2003 | 7 | 5% |
| 2002 | 7 | 7% |
| 2001 | 24 | 17% |
Other parts of the 2017 Kia Optima
165 complaintsOther or unknown
33 complaintsElectrical system
25 complaintsFuel system
22 complaintsTransmission and drivetrain
21 complaintsExterior lighting
15 complaintsVehicle speed control
13 complaintsSteering
11 complaintsForward collision avoidance
8 complaintsSeat belts
8 complaintsBrakes
6 complaintsAir bags
5 complaints
← All problems reported for the 2017 Kia Optima
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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