2019 Hyundai Sonata Engine cooling Problems
- Complaints
- 8about this part
- Share
- 5%of 162 total for the year
- Median mileage
- 81,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 8 complaints about the engine cooling of the 2019 Hyundai Sonata, 5% of the 162 complaints for this model year. Where a mileage was given, the median is 81,000 miles. 1 a fire, according to the filers.
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.
“A hairline crack from the engine oil drain plug causing leaking oil. This is a very common issue for this engine. Mine was present when the car was new. My local dealer claimed my car has run over something, which never happened. No dent or damages on the oil pan, just crack on the side of pan. This is very common issue for this engine. Low engine oil level will cause engine failure.”
NHTSA complaint #11518820, filed 2023-04“The contact owns a 2019 Hyundai Sonata. The contact stated that the vehicle would not immediately start. After finally starting the vehicle the check engine light remained illuminated. The vehicle was taken to the local dealer who diagnosed that the engine gasket was faulty causing oil to leak from the engine. The engine gasket was replaced and the failure was remedied. The manufacturer was not notified of the failure. The failure mileage was 23,000.”
NHTSA complaint #11587489, filed 2024-05, 25,000 miles“The contact owns a 2019 Hyundai Sonata. The contact stated that the vehicle was consuming an excessive amount of engine oil. There was an abnormal knocking sound while depressing the accelerator pedal. The contact had to add oil to the engine after an oil change. The oil level had been low by one quart, three quarts, or even more on several occasions. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed that there was oil leaking from the gaskets. There was an internal leak in the engine. …”
NHTSA complaint #11649263, filed 2025-03, 89,000 miles“The contact owns a 2019 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, the vehicle experienced severe overheating and excessive oil consumption. The contact also stated that there was a misfire in the engine even though the spark plugs and ignition coils were replaced. Due to the failure, the vehicle could not be driven with the air conditioning activated. Additionally, the engine was knocking and shaking abnormally, causing an oil leak and a smoke odor due to the oil burning. The vehicle was taken to a dealer, where an engine replacement was recommended. …”
NHTSA complaint #11757693, filed 2026-08, 140,000 miles“The contact owns a 2019 Hyundai Sonata. The contact stated that within the 4-5 months of vehicle ownership, the vehicle experienced excessive oil consumption. The contact stated that oil had been added to the vehicle approximately 8-9 times and an oil change had been completed twice. The contact stated while driving at various speeds, there was an abnormal rattling sound coming from the front of the vehicle. The check engine warning light was illuminated intermittently. The vehicle was taken to the dealer to be diagnosed, but the cause of the failure could not be determined. …”
NHTSA complaint #11678150, filed 2025-08, 81,000 milesRelated service bulletins
- 10247189Oct 13, 2023This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- 10238402Jun 29, 2023Certain 2015-2019MY Sonata (LFA) vehicles may intermittently exhibit reduced engine power, a âCrank/No Startâ condition, and/or have DTC P1233 stored in the ECM due to an…
- 10238401Jun 29, 2023Certain 2015-2019MY Sonata (LFA) vehicles may intermittently exhibit reduced engine power, a âCrank/No Startâ condition, and/or have DTC P1233 stored in the ECM due to an…
- 10235340Apr 6, 2023If you are servicing an 8-speed vehicle with a âCheck Engineâ light on and one or more of the DTC listed, follow the service procedure and replace the related solenoid and…
- 10233483Mar 6, 2023Certain 2015-19MY Sonata (LFA) vehicles equipped with 2.0L Turbo GDI engines need the Electronic Control Module (ECM) software updated to revise the fuel injection control logic…
- 10233481Mar 6, 2023This bulletin provides information related to an Electronic Control Module (ECM) software update to revise the fuel injection control logic to compensate for O2 sensor aging and…
- 10217251Jul 28, 2022Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or…
- 10213720May 19, 2022If you are servicing an applicable vehicle with a âCheck Engineâ light on and one or more of the DTC listed below, follow the repair procedure and replace the related…
- 10211674Apr 15, 2022The warranty coverage for engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to 10 years or 120,000…
- 10211673Apr 15, 2022The warranty coverage for engine long block repair or replacement regarding engine damage or malfunction from connecting rod bearing wear has been extended to a Limited Lifetime…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 2 | 2% |
| 2021 | 1 | 1% |
| 2019 | 8 | 5% |
| 2018 | 14 | 4% |
| 2017 | 19 | 2% |
| 2016 | 17 | 2% |
| 2015 | 21 | 2% |
| 2014 | 21 | 3% |
| 2013 | 40 | 2% |
| 2012 | 11 | 1% |
| 2011 | 45 | 1% |
| 2009 | 6 | 1% |
| 2008 | 2 | 0% |
| 2007 | 8 | 1% |
| 2006 | 30 | 3% |
| 2005 | 5 | 3% |
| 2004 | 5 | 2% |
| 2003 | 14 | 7% |
| 2002 | 16 | 5% |
| 2001 | 23 | 11% |
| 2000 | 31 | 11% |
| 1999 | 23 | 19% |
| 1998 | 4 | 8% |
| 1997 | 7 | 14% |
| 1996 | 6 | 26% |
| 1995 | 9 | 14% |
| 1993 | 9 | 35% |
| 1992 | 4 | 18% |
| 1991 | 6 | 21% |
| 1989 | 5 | 45% |
Other parts of the 2019 Hyundai Sonata
87 complaintsOther or unknown
23 complaintsExterior lighting
18 complaintsElectrical system
12 complaintsFuel system
12 complaintsAir bags
9 complaintsTransmission and drivetrain
8 complaintsBody and structure
7 complaintsSteering
6 complaintsLane departure
5 complaintsSeat belts
5 complaintsBrakes
3 complaints
← All problems reported for the 2019 Hyundai Sonata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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