2007 Hyundai Sonata engine problems
41 owner complaints filed with NHTSA name the engine on the 2007 Hyundai Sonata — 6% of all complaints for this model year.
What owners report
“I have a 2007 Hyundai Sonata SE v6 3.3L and on January 9th, 2026 I had an incident where on the road my charging system light on signifying alternator failure. I made it home, but the battery was dead which was recently purchased. After recharging the battery I conducted tests with a multimeter and…”
filed Feb 11, 2026
“2007 Hyundai Sonata- Consumers son is emailing on behalf of his elderly mother. He is requesting any kind of help in reference to a catastrophic engine failure. Complaint has been filed with the MA Attorney Generals Office and the email mentions a current NHTSA investigation into the 2007 Sonata.”
filed May 19, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
23-EM-005H · Service Bulletin/Repair Instructions · issued Oct 13, 2023Follow 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 sub-assembly replacement.
22-EM-010H · Service Bulletin/Repair Instructions · issued Jul 28, 2022
Engine problems in other Sonata years
| Year | Reports | Share |
|---|---|---|
| 2024 Sonata | 3 | 7% |
| 2023 Sonata | 26 | 31% |
| 2022 Sonata | 24 | 26% |
| 2021 Sonata | 34 | 27% |
| 2020 Sonata | 30 | 18% |
| 2019 Sonata | 83 | 53% |
| 2018 Sonata | 206 | 56% |
| 2017 Sonata | 382 | 50% |
| 2016 Sonata | 444 | 62% |
| 2015 Sonata | 614 | 54% |
| 2014 Sonata | 299 | 40% |
| 2013 Sonata | 728 | 38% |
Other reported problem areas on the 2007 Hyundai Sonata
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.