The Kia Optima MS, produced in 2002, is a mid-size sedan that emphasizes practicality, comfort, and value. Powered by a 2.7-liter V6 DOHC gasoline engine, this model offered a balance of performance and efficiency, competing in a segment alongside established Japanese and American manufacturers. Its design focused on delivering a reliable and comfortable driving experience for owners and families. The Optima MS was built on a platform shared with the Hyundai Sonata, benefiting from shared engineering and components.

This comprehensive factory service manual provides in-depth technical information for the 2002 Kia Optima MS with the 2.7L G DOHC engine. It covers all essential maintenance procedures, from routine tasks like oil changes and filter replacements to major repairs involving the engine, transmission, drivetrain, suspension, brakes, steering, and electrical systems. Detailed troubleshooting guides, diagnostic procedures, and component-level repair instructions are included, along with critical technical specifications and wiring diagrams, ensuring owners and technicians have the resources needed to maintain and repair the vehicle effectively.