Theta II Engine Lawsuit Says the GDI Engines Have Oil Flow Problems
The Theta II Gasoline Direct Injection (GDI) engine is earning a reputation for stalling and eventually seizing, leading to a class-action lawsuit. The [lawsuit] targets the Theta 2-liter and 2.4-liter gasoline direct injection engines, also known as GDI engines. According to the plaintiffs, the engines contain defects that cause a restriction of oil flow through the connecting rod bearings and other parts of the engines.
Hyundai is facing a similar lawsuit that is currently awaiting final class-action approval.
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Theta II GDI Engine Stalls and Siezes
Many Kia vehicles have a Theta II, a gasoline direct injection (GDI) engine that is well known for having oil flow issues that eventually cause catastrophic failures.
Related Kia Generations
At least one model year in these 3 generations have a relationship to this story.
We track this because a generation is just a group of model years where very little changes from year-to-year. Chances are owners throughout these generation will want to know about this news. Click on a generation for more information.
3rd Generation Optima
- Years
- 2011–2015
- Reliability
- 41st out of 42
- PainRank™
- 34.37
- Complaints
- 415
2nd Generation Sorento
- Years
- 2011–2014
- Reliability
- 42nd out of 42
- PainRank™
- 35.31
- Complaints
- 499
3rd Generation Sportage
- Years
- 2011–2015
- Reliability
- 37th out of 42
- PainRank™
- 9.64
- Complaints
- 95