2008 Kia Optima engine problems
18 owner complaints filed with NHTSA name the engine on the 2008 Kia Optima — 13% of all complaints for this model year.
What owners report
“Odometer Fraud. The contact owns a 2008 Kia Optima. The contact stated that the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed the vehicle's transmission failure. The contact discovered a mileage discrepancy after purchasing the vehicle…”
filed Feb 6, 2026
“I bought my car in 2008 a Kia optima lx I stored it till 2021. But in 2013 i took my car to El Paso tx. And I felt that beer to the side and stored it again in a garage toil this it's only got 6000 miles can it still qualify for a recall”
filed Sep 11, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
PS539 · Service Bulletin/Repair Instructions · issued Mar 2, 2018
Engine problems in other Optima years
| Year | Reports | Share |
|---|---|---|
| 2020 Optima | 92 | 67% |
| 2019 Optima | 86 | 42% |
| 2018 Optima | 129 | 56% |
| 2017 Optima | 161 | 64% |
| 2016 Optima | 423 | 56% |
| 2015 Optima | 618 | 62% |
| 2014 Optima | 280 | 48% |
| 2013 Optima | 610 | 44% |
| 2012 Optima | 398 | 43% |
| 2011 Optima | 254 | 43% |
| 2010 Optima | 9 | 12% |
| 2009 Optima | 14 | 12% |
Other reported problem areas on the 2008 Kia Optima
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.